diff --git a/nodes/node.cpp b/nodes/node.cpp
index a42738023..ec451692a 100644
--- a/nodes/node.cpp
+++ b/nodes/node.cpp
@@ -1,6 +1,29 @@
 #include "node.h"
 
-Node::Node(NodeGraph *graph)
-{
+#include "nodegraph.h"
 
+Node::Node(NodeGraph *graph) :
+  QObject(graph)
+{
+}
+
+void Node::AddParameter(NodeIO *param)
+{
+  param->setParent(this);
+  parameters_.append(param);
+}
+
+int Node::IndexOfParameter(NodeIO *param)
+{
+  return parameters_.indexOf(param);
+}
+
+NodeIO *Node::Parameter(int i)
+{
+  return parameters_.at(i);
+}
+
+int Node::ParameterCount()
+{
+  return parameters_.size();
 }
diff --git a/nodes/node.h b/nodes/node.h
index ac63912db..fecb6a56f 100644
--- a/nodes/node.h
+++ b/nodes/node.h
@@ -3,18 +3,23 @@
 
 #include <memory>
 
+#include "nodes/nodeio.h"
+
 class NodeGraph;
 
-class Node;
-using NodePtr = std::shared_ptr<Node>;
-
-class Node
+class Node : public QObject
 {
+  Q_OBJECT
 public:
   Node(NodeGraph* parent);
 
+  void AddParameter(NodeIO* row);
+  int IndexOfParameter(NodeIO* row);
+  NodeIO* Parameter(int i);
+  int ParameterCount();
+
 private:
-  NodeGraph* parent_;
+  QVector<NodeIO*> parameters_;
 };
 
 #endif // NODE_H
diff --git a/nodes/nodegraph.cpp b/nodes/nodegraph.cpp
index f0fec1c04..5782f20e4 100644
--- a/nodes/nodegraph.cpp
+++ b/nodes/nodegraph.cpp
@@ -1,20 +1,26 @@
 #include "nodegraph.h"
 
+#include <QChildEvent>
 #include <QDebug>
 
-NodeGraph::NodeGraph() :
-  output_node_(nullptr)
+NodeGraph::NodeGraph()
 {
 
 }
 
-void NodeGraph::AddNode(NodePtr node)
+void NodeGraph::childEvent(QChildEvent *event)
 {
-  nodes_.append(node);
-  emit NodeGraphChanged();
+  if (event->type() == QEvent::ChildAdded || event->type() == QEvent::ChildRemoved) {
+    emit NodeGraphChanged();
+  }
+}
+
+void NodeGraph::SetOutputNode(Node *node)
+{
+  output_node_ = node;
 }
 
 Node *NodeGraph::OutputNode()
 {
-  return output_node_.get();
+  return output_node_;
 }
diff --git a/nodes/nodegraph.h b/nodes/nodegraph.h
index 75202c17d..9d1915994 100644
--- a/nodes/nodegraph.h
+++ b/nodes/nodegraph.h
@@ -12,15 +12,6 @@ class NodeGraph : public QObject
 public:
   NodeGraph();
 
-  /**
-   * @brief Add a node to this graph
-   *
-   * The graph takes ownership of the node.
-   *
-   * @param node
-   */
-  void AddNode(NodePtr node);
-
   /**
    * @brief Process the graph
    *
@@ -43,7 +34,7 @@ public:
    *
    * The node to set as the output node. The graph takes ownership of the node and the user cannot delete it.
    */
-  void SetOutputNode(NodePtr node);
+  void SetOutputNode(Node* node);
 
   /**
    * @brief Returns the currently set output node
@@ -53,10 +44,11 @@ public:
 signals:
   void NodeGraphChanged();
 
-private:  
-  NodePtr output_node_;
+protected:
+  virtual void childEvent(QChildEvent *event) override;
 
-  QVector<NodePtr> nodes_;
+private:  
+  Node* output_node_;
 };
 
 #endif // NODEGRAPH_H
diff --git a/timeline/sequence.cpp b/timeline/sequence.cpp
index 842d966c0..77b885e40 100644
--- a/timeline/sequence.cpp
+++ b/timeline/sequence.cpp
@@ -169,8 +169,11 @@ void Sequence::set_audio_layout(const int& l)
 long Sequence::GetEndFrame() {
   long end_frame = 0;
 
-  for (int i=0;i<tracks_.size();i++) {
-    end_frame = qMax(tracks_.at(i)->GetEndFrame(), end_frame);
+  const QObjectList& all_tracks = children();
+
+  for (int i=0;i<all_tracks.size();i++) {
+    Track* t = static_cast<Track*>(all_tracks.at(i));
+    end_frame = qMax(t->GetEndFrame(), end_frame);
   }
 
   return end_frame;
@@ -180,9 +183,11 @@ QVector<Clip *> Sequence::GetAllClips()
 {
   QVector<Clip*> all_clips;
 
-  for (int j=0;j<tracks_.size();j++) {
+  const QObjectList& tracks = children();
 
-    all_clips.append(tracks_.at(j)->GetAllClips());
+  for (int j=0;j<tracks.size();j++) {
+
+    all_clips.append(static_cast<Track*>(tracks.at(j))->GetAllClips());
 
   }
 
@@ -193,9 +198,12 @@ QVector<Track *> Sequence::GetTrackList(olive::TrackType type)
 {
   QVector<Track*> tracks;
 
-  for (int i=0;i<tracks_.size();i++) {
-    if (tracks_.at(i)->type() == type) {
-      tracks.append(tracks_.at(i));
+  const QObjectList& all_tracks = children();
+
+  for (int i=0;i<all_tracks.size();i++) {
+    Track* t = static_cast<Track*>(all_tracks.at(i));
+    if (t->type() == type) {
+      tracks.append(t);
     }
   }
 
@@ -230,8 +238,10 @@ QVector<Clip *> Sequence::SelectedClips(bool containing)
 {
   QVector<Clip*> selected_clips;
 
-  for (int j=0;j<tracks_.size();j++) {
-    Track* t = tracks_.at(j);
+  const QObjectList& all_tracks = children();
+
+  for (int j=0;j<all_tracks.size();j++) {
+    Track* t = static_cast<Track*>(all_tracks.at(j));
 
     selected_clips.append(t->GetSelectedClips(containing));
   }
@@ -388,6 +398,8 @@ void Sequence::EditToPoint(bool in, bool ripple)
     bool push_undo = true;
     long seek = playhead;
 
+    const QObjectList& all_tracks = children();
+
     if ((in && (playhead_falls_on_out || (playhead_falls_on_in && playhead == 0)))
         || (!in && (playhead_falls_on_in || (playhead_falls_on_out && playhead == sequence_end)))) { // one frame mode
       if (ripple) {
@@ -400,8 +412,9 @@ void Sequence::EditToPoint(bool in, bool ripple)
 
         if (in_point >= 0) {
 
-          for (int j=0;j<tracks_.size();j++) {
-            areas.append(Selection(in_point, in_point+1, tracks_.at(j)));
+          for (int j=0;j<all_tracks.size();j++) {
+            Track* t = static_cast<Track*>(all_tracks.at(j));
+            areas.append(Selection(in_point, in_point+1, t));
           }
 
           // trim and move clips around the in point
@@ -436,8 +449,9 @@ void Sequence::EditToPoint(bool in, bool ripple)
 
       } else {
 
-        for (int j=0;j<tracks_.size();j++) {
-          areas.append(Selection(area_in, area_out, tracks_.at(j)));
+        for (int j=0;j<all_tracks.size();j++) {
+          Track* t = static_cast<Track*>(all_tracks.at(j));
+          areas.append(Selection(area_in, area_out, t));
         }
 
         // trim and move clips around the in point
@@ -522,8 +536,11 @@ void Sequence::DeleteInToOut(bool ripple)
 
     QVector<Selection> areas_to_delete;
 
-    for (int j=0;j<tracks_.size();j++) {
-      areas_to_delete.append(Selection(workarea_in, workarea_out, tracks_.at(j)));
+    const QObjectList& all_tracks = children();
+
+    for (int j=0;j<all_tracks.size();j++) {
+      Track* t = static_cast<Track*>(all_tracks.at(j));
+      areas_to_delete.append(Selection(workarea_in, workarea_out, t));
     }
 
     ComboAction* ca = new ComboAction();
@@ -576,8 +593,10 @@ void Sequence::Ripple(ComboAction *ca, long point, long length, const QVector<Cl
 
 void Sequence::ChangeTrackHeightsRelatively(int diff)
 {
-  for (int j=0;j<tracks_.size();j++) {
-    Track* t = tracks_.at(j);
+  const QObjectList& all_tracks = children();
+
+  for (int j=0;j<all_tracks.size();j++) {
+    Track* t = static_cast<Track*>(all_tracks.at(j));
 
     t->set_height(t->height() + diff);
   }
@@ -649,9 +668,12 @@ void Sequence::Split()
   // If we weren't able to split any selected clips above, see if there are arbitrary selections to split
   if (!split_occurred) {
 
-    Track* track;
+    const QObjectList& all_tracks = children();
+    QObject* obj;
 
-    foreach (track, tracks_) {
+    foreach (obj, all_tracks) {
+
+      Track* track = static_cast<Track*>(obj);
 
       QVector<Selection> track_selections = track->Selections();
       QVector<long> split_positions;
@@ -894,8 +916,10 @@ void Sequence::RippleDeleteEmptySpace(ComboAction* ca, Track* track, long point)
 
 void Sequence::RippleDeleteArea(ComboAction* ca, long ripple_point, long ripple_length) {
 
-  for (int j=0;j<tracks_.size();j++) {
-    Track* t = tracks_.at(j);
+  const QObjectList& all_tracks = children();
+
+  for (int j=0;j<all_tracks.size();j++) {
+    Track* t = static_cast<Track*>(all_tracks.at(j));
 
     // We've already tested `track`, so we don't need to test it again
     long first_in_point_after_point = LONG_MAX;
@@ -982,22 +1006,25 @@ OldEffectNode *Sequence::GetSelectedGizmo()
 
 void Sequence::SelectAll()
 {
-  for (int i=0;i<tracks_.size();i++) {
-    tracks_.at(i)->SelectAll();
+  const QObjectList& all_tracks = children();
+  for (int i=0;i<all_tracks.size();i++) {
+    static_cast<Track*>(all_tracks.at(i))->SelectAll();
   }
 }
 
 void Sequence::SelectAtPlayhead()
 {
-  for (int i=0;i<tracks_.size();i++) {
-    tracks_.at(i)->SelectAtPoint(playhead);
+  const QObjectList& all_tracks = children();
+  for (int i=0;i<all_tracks.size();i++) {
+    static_cast<Track*>(all_tracks.at(i))->SelectAtPoint(playhead);
   }
 }
 
 void Sequence::ClearSelections()
 {
-  for (int i=0;i<tracks_.size();i++) {
-    tracks_.at(i)->ClearSelections();
+  const QObjectList& all_tracks = children();
+  for (int i=0;i<all_tracks.size();i++) {
+    static_cast<Track*>(all_tracks.at(i))->ClearSelections();
   }
 }
 
@@ -1078,8 +1105,10 @@ QVector<Selection> Sequence::Selections()
 {
   QVector<Selection> selections;
 
-  for (int i=0;i<tracks_.size();i++) {
-    selections.append(tracks_.at(i)->Selections());
+  const QObjectList& all_tracks = children();
+
+  for (int i=0;i<all_tracks.size();i++) {
+    selections.append(static_cast<Track*>(all_tracks.at(i))->Selections());
   }
 
   return selections;
@@ -1108,12 +1137,15 @@ Track *Sequence::PreviousTrack(Track *t)
   Track* previous_track = nullptr;
 
   // Loop through tracks
-  for (int i=0;i<tracks_.size();i++) {
+  const QObjectList& all_tracks = children();
+  for (int i=0;i<all_tracks.size();i++) {
 
-    if (tracks_.at(i) == t) {
+    Track* comp_track = static_cast<Track*>(all_tracks.at(i));
+
+    if (comp_track == t) {
       // If this is the track, we'll know the previous track by now
       break;
-    } else if (tracks_.at(i)->type() == t->type()) {
+    } else if (comp_track->type() == t->type()) {
       // Otherwise, we'll keep "track" of it
       previous_track = t;
     }
@@ -1132,14 +1164,18 @@ Track *Sequence::NextTrack(Track *t)
 
     Track* next_track = nullptr;
 
-    for (int i=tracks_.size()-1;i>=0;i--) {
+    const QObjectList& all_tracks = children();
 
-      if (tracks_.at(i) == t) {
+    for (int i=all_tracks.size()-1;i>=0;i--) {
+
+      Track* track = static_cast<Track*>(all_tracks.at(i));
+
+      if (track == t) {
         break;
       }
 
-      if (tracks_.at(i)->type() == t->type()) {
-        next_track = tracks_.at(i);
+      if (track->type() == t->type()) {
+        next_track = track;
       }
 
     }
@@ -1161,13 +1197,17 @@ int Sequence::IndexOfTrack(Track *t)
 {
   int counter = -1;
 
-  for (int i=0;i<tracks_.size();i++) {
+  const QObjectList& all_tracks = children();
 
-    if (tracks_.at(i)->type() == t->type()) {
+  for (int i=0;i<all_tracks.size();i++) {
+
+    Track* track = static_cast<Track*>(all_tracks.at(i));
+
+    if (track->type() == t->type()) {
       counter++;
     }
 
-    if (tracks_.at(i) == t) {
+    if (track == t) {
       return counter;
     }
   }
@@ -1177,9 +1217,14 @@ int Sequence::IndexOfTrack(Track *t)
 
 Track *Sequence::FirstTrack(olive::TrackType type)
 {
-  for (int i=0;i<tracks_.size();i++) {
-    if (tracks_.at(i)->type() == type) {
-      return tracks_.at(i);
+  const QObjectList& all_tracks = children();
+
+  for (int i=0;i<all_tracks.size();i++) {
+
+    Track* track = static_cast<Track*>(all_tracks.at(i));
+
+    if (track->type() == type) {
+      return track;
     }
   }
   return nullptr;
@@ -1187,9 +1232,14 @@ Track *Sequence::FirstTrack(olive::TrackType type)
 
 Track *Sequence::LastTrack(olive::TrackType type)
 {
-  for (int i=tracks_.size()-1;i>=0;i--) {
-    if (tracks_.at(i)->type() == type) {
-      return tracks_.at(i);
+  const QObjectList& all_tracks = children();
+
+  for (int i=all_tracks.size()-1;i>=0;i--) {
+
+    Track* track = static_cast<Track*>(all_tracks.at(i));
+
+    if (track->type() == type) {
+      return track;
     }
   }
   return nullptr;
@@ -1199,13 +1249,18 @@ Track *Sequence::TrackAt(olive::TrackType type, int index)
 {
   int counter = -1;
 
-  for (int i=0;i<tracks_.size();i++) {
-    if (tracks_.at(i)->type() == type) {
+  const QObjectList& all_tracks = children();
+
+  for (int i=0;i<all_tracks.size();i++) {
+
+    Track* track = static_cast<Track*>(all_tracks.at(i));
+
+    if (track->type() == type) {
       counter++;
     }
 
     if (counter == index) {
-      return tracks_.at(i);
+      return track;
     }
   }
 
@@ -1223,8 +1278,13 @@ int Sequence::TrackCount(olive::TrackType type)
 {
   int counter = 0;
 
-  for (int i=0;i<tracks_.size();i++) {
-    if (tracks_.at(i)->type() == type) {
+  const QObjectList& all_tracks = children();
+
+  for (int i=0;i<all_tracks.size();i++) {
+
+    Track* track = static_cast<Track*>(all_tracks.at(i));
+
+    if (track->type() == type) {
       counter++;
     }
   }
@@ -1234,10 +1294,9 @@ int Sequence::TrackCount(olive::TrackType type)
 
 Track* Sequence::AddTrack(olive::TrackType type)
 {
-  Track* track = new Track(this, type);
-  tracks_.append(track);
-  emit TrackCountChanged();
-  return track;
+  Track* t = new Track(nullptr, type);
+  t->setParent(this);
+  return t;
 }
 
 ClipPtr Sequence::SplitClip(ComboAction *ca, bool transitions, Clip* pre, long frame)
diff --git a/timeline/sequence.h b/timeline/sequence.h
index 9dbe81027..c4366a059 100644
--- a/timeline/sequence.h
+++ b/timeline/sequence.h
@@ -28,8 +28,9 @@
 #include "marker.h"
 #include "selection.h"
 #include "ghost.h"
+#include "nodes/nodegraph.h"
 
-class Sequence : public QObject {
+class Sequence : public NodeGraph {
   Q_OBJECT
 public:
   Sequence();
@@ -142,11 +143,10 @@ public:
   QVector<Marker> markers;
 signals:
   void SequenceParametersChanged();
-  void TrackCountChanged();
 private:
   Track *AddTrack(olive::TrackType type);
 
-  QVector<Track*> tracks_;
+  //QVector<Track*> tracks_;
 
   ClipPtr SplitClip(ComboAction* ca, bool transitions, Clip *clip, long frame);
   ClipPtr SplitClip(ComboAction* ca, bool transitions, Clip *clip, long frame, long post_in);
diff --git a/timeline/track.cpp b/timeline/track.cpp
index cfe3f3c86..5749651de 100644
--- a/timeline/track.cpp
+++ b/timeline/track.cpp
@@ -9,7 +9,7 @@ int olive::timeline::kTrackMinHeight = 30;
 int olive::timeline::kTrackHeightIncrement = 10;
 
 Track::Track(Sequence* parent, olive::TrackType type) :
-  parent_(parent),
+  Node(parent),
   type_(type),
   muted_(false),
   soloed_(false),
@@ -35,7 +35,7 @@ Track *Track::copy(Sequence *parent)
 
 Sequence *Track::sequence()
 {
-  return parent_;
+  return static_cast<Sequence*>(parent());
 }
 
 void Track::Save(QXmlStreamWriter &stream)
@@ -204,22 +204,22 @@ bool Track::ContainsClip(Clip *c)
 
 Track *Track::Previous()
 {
-  return parent_->PreviousTrack(this);
+  return sequence()->PreviousTrack(this);
 }
 
 Track *Track::Next()
 {
-  return parent_->NextTrack(this);
+  return sequence()->NextTrack(this);
 }
 
 Track *Track::Sibling(int diff)
 {
-  return parent_->SiblingTrack(this, diff);
+  return sequence()->SiblingTrack(this, diff);
 }
 
 int Track::Index()
 {
-  return parent_->IndexOfTrack(this);
+  return sequence()->IndexOfTrack(this);
 }
 
 bool Track::IsClipSelected(int clip_index, bool containing)
@@ -378,7 +378,7 @@ bool Track::IsEffectivelyMuted()
   // Check if any tracks are soloed
   bool a_track_is_soloed = false;
 
-  QVector<Track*> siblings = parent_->GetTrackList(type_);
+  QVector<Track*> siblings = sequence()->GetTrackList(type_);
   for (int i=0;i<siblings.size();i++) {
     if (siblings.at(i)->IsSoloed()) {
       a_track_is_soloed = true;
diff --git a/timeline/track.h b/timeline/track.h
index 7fbbf2fe3..fe79ecbd4 100644
--- a/timeline/track.h
+++ b/timeline/track.h
@@ -8,6 +8,7 @@
 #include "tracktypes.h"
 #include "undo/comboaction.h"
 #include "timeline/selection.h"
+#include "nodes/node.h"
 
 class Sequence;
 class Transition;
@@ -37,7 +38,7 @@ namespace olive {
 
 class Sequence;
 
-class Track : public QObject
+class Track : public Node
 {
   Q_OBJECT
 public:
@@ -107,7 +108,6 @@ signals:
 private:
   void ResizeClipArray(int new_size);
 
-  Sequence* parent_;
   olive::TrackType type_;
   int height_;
   QVector<ClipPtr> clips_;
diff --git a/ui/timelinearea.cpp b/ui/timelinearea.cpp
index 9282a6664..9d6e07989 100644
--- a/ui/timelinearea.cpp
+++ b/ui/timelinearea.cpp
@@ -52,7 +52,7 @@ TimelineArea::TimelineArea(Timeline* timeline, olive::timeline::Alignment alignm
 void TimelineArea::SetTrackType(Sequence *sequence, olive::TrackType track_type)
 {
   if (sequence_ != nullptr) {
-    disconnect(sequence_, SIGNAL(TrackCountChanged()), this, SLOT(RefreshLabels()));
+    disconnect(sequence_, SIGNAL(NodeGraphChanged()), this, SLOT(RefreshLabels()));
   }
 
   sequence_ = sequence;
@@ -60,7 +60,7 @@ void TimelineArea::SetTrackType(Sequence *sequence, olive::TrackType track_type)
 
   if (sequence_ != nullptr) {
 
-    connect(sequence_, SIGNAL(TrackCountChanged()), this, SLOT(RefreshLabels()));
+    connect(sequence_, SIGNAL(NodeGraphChanged()), this, SLOT(RefreshLabels()));
 
   }