diff --git a/sound_algo/data_only/morceaux/03_acid_line.scd b/sound_algo/data_only/morceaux/03_acid_line.scd
index 3a27f01..dd136a3 100644
--- a/sound_algo/data_only/morceaux/03_acid_line.scd
+++ b/sound_algo/data_only/morceaux/03_acid_line.scd
@@ -34,7 +34,7 @@ SynthDef(\cc_acid_kick, { |out=0, amp=0.6|
         ctx[\cut] = (1 - (hf[\ry] ? 1)).clip(0, 1).linexp(0, 1, 200, 4000);
         ctx[\res] = (hf[\ropen] ? 0.3).clip(0, 1);
         ctx[\oct] = ((hf[\ly] ? 0.5) < 0.4).if({ 1 }, { 0 });   // octave up
-        ~concert[\clock] !? { |c| c.tempo = speed.linlin(0, 0.6, 124, 140).clip(124, 140) / 60 };
+        ~setTempo.(speed.linlin(0, 0.6, 124, 140).clip(124, 140));
     },
     tick: { |ctx, pose, beat|
         var sixteenth = (0.25 / ~ccCtlDur).round.max(1);
@@ -52,7 +52,7 @@ SynthDef(\cc_acid_kick, { |out=0, amp=0.6|
             };
         };
     },
-    stop: { |ctx| ~concert[\clock] !? { |c| c.tempo = 126/60 } },
+    stop: { |ctx| ~setTempo.(126) },
 ));
 "[morceau] Acid Line loaded".postln;
 )
diff --git a/sound_algo/data_only/morceaux/12_trance.scd b/sound_algo/data_only/morceaux/12_trance.scd
index 167a75b..5cbf205 100644
--- a/sound_algo/data_only/morceaux/12_trance.scd
+++ b/sound_algo/data_only/morceaux/12_trance.scd
@@ -57,7 +57,7 @@ SynthDef(\cc_trance_pad, { |out=0, freq1=110, freq2=138, freq3=165, cutoff=1200,
         ctx[\dens] = 2;
         ctx[\pad]  = Synth(\cc_trance_pad, [\freq1, f1, \freq2, f2, \freq3, f3,
             \cutoff, 1200, \amp, 0.28]);
-        ~concert[\clock] !? { |c| c.tempo = 138 / 60 };
+        ~setTempo.(138);
     },
     update: { |ctx, pose|
         var hf      = pose[\hands];
@@ -92,7 +92,7 @@ SynthDef(\cc_trance_pad, { |out=0, freq1=110, freq2=138, freq3=165, cutoff=1200,
     },
     stop: { |ctx|
         ctx[\pad] !? { |s| s.set(\gate, 0) };
-        ~concert[\clock] !? { |c| c.tempo = 126 / 60 };
+        ~setTempo.(126);
     },
 ));
 "[morceau] Trance loaded".postln;
diff --git a/sound_algo/data_only/morceaux/13_psytrance.scd b/sound_algo/data_only/morceaux/13_psytrance.scd
index a6e7836..b35c89b 100644
--- a/sound_algo/data_only/morceaux/13_psytrance.scd
+++ b/sound_algo/data_only/morceaux/13_psytrance.scd
@@ -46,7 +46,7 @@ SynthDef(\cc_psy_zap, { |out=0, freq=440, amp=0.18, pan=0|
         ctx[\cut]     = 800.0;
         ctx[\res]     = 0.25;
         ctx[\zapRate] = 16;
-        ~concert[\clock] !? { |c| c.tempo = 145 / 60 };
+        ~setTempo.(145);
     },
     update: { |ctx, pose|
         var hf    = pose[\hands];
@@ -84,7 +84,7 @@ SynthDef(\cc_psy_zap, { |out=0, freq=440, amp=0.18, pan=0|
         };
     },
     stop: { |ctx|
-        ~concert[\clock] !? { |c| c.tempo = 126 / 60 };
+        ~setTempo.(126);
     },
 ));
 "[morceau] Psytrance loaded".postln;
diff --git a/sound_algo/data_only/morceaux/14_punkcore.scd b/sound_algo/data_only/morceaux/14_punkcore.scd
index fcb6371..c3ee162 100644
--- a/sound_algo/data_only/morceaux/14_punkcore.scd
+++ b/sound_algo/data_only/morceaux/14_punkcore.scd
@@ -54,7 +54,7 @@ SynthDef(\cc_punk_lead, { |out=0, freq=440, amp=0.22, pan=0|
         ctx[\drv]  = 2.0;
         ctx[\cut]  = 2500.0;
         ctx[\dens] = 2;
-        ~concert[\clock] !? { |c| c.tempo = 156 / 60 };
+        ~setTempo.(156);
     },
     update: { |ctx, pose|
         var hf    = pose[\hands];
@@ -95,7 +95,7 @@ SynthDef(\cc_punk_lead, { |out=0, freq=440, amp=0.22, pan=0|
         };
     },
     stop: { |ctx|
-        ~concert[\clock] !? { |c| c.tempo = 126 / 60 };
+        ~setTempo.(126);
     },
 ));
 "[morceau] Punkcore loaded".postln;
diff --git a/sound_algo/data_only/scene_concert.scd b/sound_algo/data_only/scene_concert.scd
index 8cdfe72..f98b3c4 100644
--- a/sound_algo/data_only/scene_concert.scd
+++ b/sound_algo/data_only/scene_concert.scd
@@ -138,6 +138,7 @@
             ~concert[\idx] = 0;
             ~ccGState = IdentityDictionary.new;
             ~concert[\clock] = TempoClock.default;   // horloge unique (Lot C)
+            ~setTempo.(126);                          // tempo de base concert
             ~concert[\startMorceau].(0);
             ~concert[\routine] = Routine({
                 var beat = 0;
diff --git a/sound_algo/data_only/scene_pose_play.scd b/sound_algo/data_only/scene_pose_play.scd
index 0066938..0e41ab9 100644
--- a/sound_algo/data_only/scene_pose_play.scd
+++ b/sound_algo/data_only/scene_pose_play.scd
@@ -87,6 +87,7 @@
         if(~bpEngine[\running]) { "[bp] deja en cours".postln } {
             ~bpEngine[\running] = true;
             ~bpEngine[\clock] = TempoClock.default;   // horloge unique (Lot C)
+            ~setTempo.(100);                           // tempo de base body-play
             ~bpEngine[\pad] = Synth(\bp_pad, [\freq, ~bpModes[\pulse][\root].midicps, \amp, 0.0]);
             ~bpEngine[\routine] = Routine({
                 var beatCount = 0;