diff --git a/sound_algo/control/midi.scd b/sound_algo/control/midi.scd
index 6ce4a85..8dc6635 100644
--- a/sound_algo/control/midi.scd
+++ b/sound_algo/control/midi.scd
@@ -60,7 +60,7 @@ MIDIIn.connectAll;
 ~midiFuncs.add(MIDIFunc.cc({ |val| ~melodyDrive  = val.linlin(0,127, 0.5,5.0);   ~debouncedReload.() }, 33));
 ~midiFuncs.add(MIDIFunc.cc({ |val| ~acidDrive    = val.linlin(0,127, 0.5,5.0);   ~debouncedReload.() }, 34));
 ~midiFuncs.add(MIDIFunc.cc({ |val| ~melodyBoost  = val.linlin(0,127, 0.5,3.0);   ~debouncedReload.() }, 35));
-~midiFuncs.add(MIDIFunc.cc({ |val| TempoClock.default.tempo = val.linlin(0,127, 60,200) / 60 }, 36));
+~midiFuncs.add(MIDIFunc.cc({ |val| ~setTempo.(val.linlin(0,127, 60,200)) }, 36));
 
 // CC 49-56 = potards rangée 3 (wobble / sidechain)
 ~midiFuncs.add(MIDIFunc.cc({ |val| ~melodyWobbleRate  = val.linexp(0,127, 0.5,32);   ~debouncedReload.() }, 49));
diff --git a/sound_algo/data_only/scene_concert.scd b/sound_algo/data_only/scene_concert.scd
index f98b3c4..71932bb 100644
--- a/sound_algo/data_only/scene_concert.scd
+++ b/sound_algo/data_only/scene_concert.scd
@@ -167,7 +167,8 @@
 ~concert[\stop] = {
     ~concert[\routine] !? { |r| r.stop };
     ~concert[\stopMorceau].();
-    ~concert[\clock] !? { |c| c.stop };
+    // NE PAS stopper l'horloge : elle alias TempoClock.default (Lot C) et la
+    // Routine est deja stoppee. La stopper figerait tout le systeme.
     ~concert[\clock] = nil;
     ~concert[\running] = false;
     // restore the master event-FX so a stop mid-squat/spin doesn't leave the
diff --git a/sound_algo/data_only/scene_pose_play.scd b/sound_algo/data_only/scene_pose_play.scd
index 0e41ab9..1401e7e 100644
--- a/sound_algo/data_only/scene_pose_play.scd
+++ b/sound_algo/data_only/scene_pose_play.scd
@@ -156,7 +156,8 @@
     stop: {
         ~bpEngine[\routine] !? { |r| r.stop };
         ~bpEngine[\pad] !? { |p| p.set(\gate, 0) };
-        ~bpEngine[\clock] !? { |c| c.stop };
+        // NE PAS stopper l'horloge : alias TempoClock.default (Lot C),
+        // Routine deja stoppee. La stopper figerait tout le systeme.
         ~bpEngine[\clock] = nil;
         ~bpEngine[\running] = false;
         "[bp] STOPPED".postln;