diff --git a/dialogs/newsequencedialog.cpp b/dialogs/newsequencedialog.cpp
index 225a1c840..d40297249 100644
--- a/dialogs/newsequencedialog.cpp
+++ b/dialogs/newsequencedialog.cpp
@@ -41,6 +41,10 @@
 #include "rendering/audio.h"
 #include "global/config.h"
 
+// FIXME: TEST CODE
+#include "nodes/nodes/nodemedia.h"
+// END TEST CODE
+
 extern "C" {
 #include <libavcodec/avcodec.h>
 }
@@ -107,6 +111,10 @@ void NewSequenceDialog::accept() {
     s->set_audio_frequency(audio_frequency_combobox->currentData().toInt());
     s->set_audio_layout(AV_CH_LAYOUT_STEREO);
 
+    // FIXME: TEST CODE
+    new NodeMedia(s.get());
+    // END TEST CODE
+
     ComboAction* ca = new ComboAction();
     olive::project_model.CreateSequence(ca, s, true, nullptr);
     olive::undo_stack.push(ca);
diff --git a/panels/timeline.cpp b/panels/timeline.cpp
index 5af3267d3..5656fb9be 100644
--- a/panels/timeline.cpp
+++ b/panels/timeline.cpp
@@ -221,7 +221,16 @@ void Timeline::SetSequence(SequencePtr sequence)
     return;
   }
 
+  if (sequence_ != nullptr) {
+    sequence_->SetGLContext(nullptr);
+  }
+
   sequence_ = sequence;
+
+  if (sequence_ != nullptr) {
+    sequence_->SetGLContext(QOpenGLContext::globalShareContext());
+  }
+
   update_sequence();
   video_area->SetTrackType(sequence_.get(), olive::kTypeVideo);
   audio_area->SetTrackType(sequence_.get(), olive::kTypeAudio);
diff --git a/timeline/sequence.cpp b/timeline/sequence.cpp
index 77b885e40..71b68e132 100644
--- a/timeline/sequence.cpp
+++ b/timeline/sequence.cpp
@@ -42,8 +42,8 @@ Sequence::Sequence() :
 SequencePtr Sequence::copy() {
   SequencePtr s = std::make_shared<Sequence>();
   s->name_ = tr("%1 (copy)").arg(name_);
-  s->width_ = width_;
-  s->height_ = height_;
+  s->set_width(width());
+  s->set_height(height());
   s->frame_rate_ = frame_rate_;
   s->audio_frequency_ = audio_frequency_;
   s->audio_layout_ = audio_layout_;
@@ -72,8 +72,8 @@ void Sequence::Save(QXmlStreamWriter &stream)
   stream.writeStartElement("sequence");
   stream.writeAttribute("id", QString::number(save_id));
   stream.writeAttribute("name", name_);
-  stream.writeAttribute("width", QString::number(width_));
-  stream.writeAttribute("height", QString::number(height_));
+  stream.writeAttribute("width", QString::number(width()));
+  stream.writeAttribute("height", QString::number(height()));
   stream.writeAttribute("framerate", QString::number(frame_rate_, 'f', 10));
   stream.writeAttribute("afreq", QString::number(audio_frequency_));
   stream.writeAttribute("alayout", QString::number(audio_layout_));
@@ -108,29 +108,7 @@ const QString &Sequence::name()
 void Sequence::set_name(const QString &s)
 {
   name_ = s;
-  emit SequenceParametersChanged();
-}
-
-const int &Sequence::width()
-{
-  return width_;
-}
-
-const int &Sequence::height()
-{
-  return height_;
-}
-
-void Sequence::set_width(const int& w)
-{
-  width_ = w;
-  emit SequenceParametersChanged();
-}
-
-void Sequence::set_height(const int& h)
-{
-  height_ = h;
-  emit SequenceParametersChanged();
+  emit ParametersChanged();
 }
 
 const double &Sequence::frame_rate()
@@ -141,7 +119,7 @@ const double &Sequence::frame_rate()
 void Sequence::set_frame_rate(const double& d)
 {
   frame_rate_ = d;
-  emit SequenceParametersChanged();
+  emit ParametersChanged();
 }
 
 const int &Sequence::audio_frequency()
@@ -152,7 +130,7 @@ const int &Sequence::audio_frequency()
 void Sequence::set_audio_frequency(const int& f)
 {
   audio_frequency_ = f;
-  emit SequenceParametersChanged();
+  emit ParametersChanged();
 }
 
 const int &Sequence::audio_layout()
@@ -163,7 +141,7 @@ const int &Sequence::audio_layout()
 void Sequence::set_audio_layout(const int& l)
 {
   audio_layout_ = l;
-  emit SequenceParametersChanged();
+  emit ParametersChanged();
 }
 
 long Sequence::GetEndFrame() {
diff --git a/timeline/sequence.h b/timeline/sequence.h
index c4366a059..45b16666c 100644
--- a/timeline/sequence.h
+++ b/timeline/sequence.h
@@ -41,12 +41,6 @@ public:
   const QString& name();
   void set_name(const QString& s);
 
-  const int& width();
-  void set_width(const int& w);
-
-  const int& height();
-  void set_height(const int& h);
-
   const double& frame_rate();
   void set_frame_rate(const double& d);
 
@@ -141,8 +135,7 @@ public:
   int save_id;
 
   QVector<Marker> markers;
-signals:
-  void SequenceParametersChanged();
+
 private:
   Track *AddTrack(olive::TrackType type);
 
@@ -153,8 +146,6 @@ private:
   bool SplitSelection(ComboAction* ca, QVector<Selection> selections);
 
   QString name_;
-  int width_;
-  int height_;
   double frame_rate_;
   int audio_frequency_;
   int audio_layout_;