diff --git a/db/up/recorded_jam_track_tracks.sql b/db/up/recorded_jam_track_tracks.sql
new file mode 100644
index 000000000..246b76425
--- /dev/null
+++ b/db/up/recorded_jam_track_tracks.sql
@@ -0,0 +1,15 @@
+ALTER TABLE recordings ADD COLUMN jam_track_id VARCHAR(64) REFERENCES jam_tracks(id);
+ALTER TABLE recordings ADD COLUMN jam_track_initiator_id VARCHAR(64) REFERENCES users(id);
+
+CREATE TABLE recorded_jam_track_tracks (
+    id BIGINT PRIMARY KEY,
+    user_id VARCHAR(64) REFERENCES users(id) ON DELETE CASCADE,
+    jam_track_track_id VARCHAR(64),
+    recording_id VARCHAR(64) NOT NULL,
+    discard BOOLEAN,
+    timeline JSON,
+    created_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    updated_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP
+);
+
+ALTER TABLE recorded_jam_tracks ALTER COLUMN id SET DEFAULT nextval('tracks_next_tracker_seq');
\ No newline at end of file
diff --git a/ruby/lib/jam_ruby/models/recorded_jam_track_track.rb b/ruby/lib/jam_ruby/models/recorded_jam_track_track.rb
new file mode 100644
index 000000000..19907eb1c
--- /dev/null
+++ b/ruby/lib/jam_ruby/models/recorded_jam_track_track.rb
@@ -0,0 +1,21 @@
+module JamRuby
+  # BackingTrack analog to JamRuby::RecordedTrack
+  class RecordedJamTrackTrack < ActiveRecord::Base
+
+    belongs_to :user, :class_name => "JamRuby::User", :inverse_of => :recorded_jam_track_tracks
+    belongs_to :recording, :class_name => "JamRuby::Recording", :inverse_of => :recorded_jam_track_tracks
+    belongs_to :jam_track_track, :class_name => "JamRuby::JamTrackTrack", :inverse_of => :recorded_jam_track_tracks
+
+    validates :user, presence: true
+    validates :jam_track_track, presence:true
+
+    def self.create_from_jam_track_track(jam_track_track, recording)
+      recorded_backing_track = self.new
+      recorded_backing_track.recording = recording
+      recorded_backing_track.jam_track_track = jam_track_track
+      recorded_backing_track.save
+      recorded_backing_track
+    end
+
+  end
+end
diff --git a/web/app/assets/javascripts/session.js b/web/app/assets/javascripts/session.js
index 9aff18f4b..183a94e81 100644
--- a/web/app/assets/javascripts/session.js
+++ b/web/app/assets/javascripts/session.js
@@ -890,8 +890,11 @@
               var mediaType = mixer.media_type;
               var groupId = mixer.group_id;
 
-              // mediaType == null is for backwards compat with older clients.  Can be removed soon
-              if(mediaType == null || mediaType == "" || mediaType == 'RecordingTrack') {
+              if(mediaType == 'MetronomeTrack' || groupId==ChannelGroupIds.MetronomeGroup) {
+                // Metronomes come across with a blank media type, so check group_id:
+                metronomeTrackMixers.push(mixer);
+              }
+              else if(mediaType == null || mediaType == "" || mediaType == 'RecordingTrack') {
                 // additional check; if we can match an id in backing tracks or recorded backing track,
                 // we need to remove it from the recorded track set, but move it to the backing track set
 
@@ -922,9 +925,6 @@
               } else if(mediaType == 'PeerMediaTrack' || mediaType == 'BackingTrack') {
                 // BackingTrack
                 backingTrackMixers.push(mixer);
-              } else if(mediaType == 'MetronomeTrack' || groupId==ChannelGroupIds.MetronomeGroup) {
-                // Metronomes come across with a blank media type, so check group_id:
-                metronomeTrackMixers.push(mixer);
               } else if(mediaType == 'JamTrack') {
                 jamTrackMixers.push(mixer);
                 mixer.group_id == ChannelGroupIds.MediaTrackGroup;
@@ -1980,11 +1980,22 @@
             rest.openBackingTrack({id: context.JK.CurrentSessionModel.id(), backing_track_path: result.file})
               .done(function(response) {
                 var openResult = context.jamClient.SessionOpenBackingTrackFile(result.file, false);
-                //context.JK.CurrentSessionModel.refreshCurrentSession(true);
-                sessionModel.setBackingTrack(result.file);
+
+                if(openResult) {
+                  sessionModel.setBackingTrack(result.file);
+                }
+                else {
+                  app.notify({
+                    "title": "Couldn't Open Backing Track",
+                    "text": "Is the file a valid audio file?",
+                    "icon_url": "/assets/content/icon_alert_big.png"
+                  });
+                  closeBackingTrack();
+                }
+
               })
               .fail(function(jqXHR) {
-                app.notifyServerError(jqXHR, "Unable to Open BackingTrack For Playback");
+                app.notifyServerError(jqXHR, "Unable to Open Backing Track For Playback");
               })
           }
           else {
@@ -2443,8 +2454,6 @@
                 rest.openMetronome({id: sessionModel.id()})
                   .done(function() {
                     context.jamClient.SessionOpenMetronome(120, "Click", 1, 0)
-                    context.JK.CurrentSessionModel.refreshCurrentSession(true)
-                    context.JK.CurrentSessionModel.refreshCurrentSession(true)
                   })
                   .fail(function(jqXHR) {
                     logger.debug(jqXHR, jqXHR)
@@ -2506,8 +2515,8 @@
             })
             .fail(function(jqXHR) {
               app.notify({
-                "title": "Couldn't Close BackingTrack",
-                "text": "Couldn't inform the server to close BackingTrack. msg=" + jqXHR.responseText,
+                "title": "Couldn't Close Backing Track",
+                "text": "Couldn't inform the server to close Backing Track. msg=" + jqXHR.responseText,
                 "icon_url": "/assets/content/icon_alert_big.png"
               });
             });