diff --git a/web/app/assets/javascripts/session.js b/web/app/assets/javascripts/session.js
index 5aa7ac747..38e469d3d 100644
--- a/web/app/assets/javascripts/session.js
+++ b/web/app/assets/javascripts/session.js
@@ -481,6 +481,12 @@
       function checkMetronomeTransition() {
         // trust backend over server
 
+        if(sessionModel.jamTracks() !== null) {
+          // ignore all metronome events when jamtracks are open, because backend opens metronome mixer to play jamtrack tap-ins
+          logger.debug("ignore checkMetronomeTransition because JamTrack is open")
+          return;
+        }
+
         var metronomeMasterMixers = getMetronomeMasterMixers();
 
         if (metronomeMixer == null && metronomeMasterMixers.length > 0) {
@@ -1035,7 +1041,7 @@
           if(jamTrackMixers.length > 0) {
             renderJamTracks(jamTrackMixers);
           }
-          if(metronomeTrackMixers.length > 0) {
+          if(metronomeTrackMixers.length > 0 && sessionModel.jamTracks() === null) {
             renderMetronomeTracks(metronomeTrackMixers);
           }
           if(adhocTrackMixers.length > 0) {