diff --git a/boomwhackers-8+5+c.json b/boomwhackers-8+5+c.json
index ff4ba81091a9edecca38a1c0253d62bd36e9a071..767b18f5c0877506a91ba247b51afc0a54dd8b9c 100644
--- a/boomwhackers-8+5+c.json
+++ b/boomwhackers-8+5+c.json
@@ -1,5 +1,5 @@
 {
-  "do1": { "couleur": [255, 0, 0], "capsule": "1", "court": "1" },
+  "do1": { "couleur": [255, 0, 0], "capsule": "1", "court": "0" },
   "re1": { "couleur": [255, 170, 20], "capsule": "1", "court": "1" },
   "mi1": { "couleur": [255, 238, 0], "capsule": "1", "court": "1" },
   "fa1": { "couleur": [81, 255, 0], "capsule": "1", "court": "1" },
@@ -13,14 +13,14 @@
   "sold1": { "couleur": [0, 118, 88], "capsule": "1", "court": "1", "alteration": "\\#" },
   "sib1": { "couleur": [221, 86, 147], "capsule": "1", "court": "1", "alteration" : "b"  },
   
-  "do2": { "couleur": [255, 0, 0], "capsule": "0", "court": "1" },
+  "do2": { "couleur": [255, 0, 0], "capsule": "0", "court": "0" },
   "re2": { "couleur": [255, 170, 20], "capsule": "0", "court": "1" },
   "mi2": { "couleur": [255, 238, 0], "capsule": "0", "court": "1" },
   "fa2": { "couleur": [81, 255, 0], "capsule": "0", "court": "1" },
   "sol2": { "couleur": [0, 118, 88], "capsule": "0", "court": "1" },
   "la2": { "couleur": [140, 0, 255], "capsule": "0", "court": "1" },
   "si2": { "couleur": [221, 86, 147], "capsule": "0", "court": "1" },
-  "do3": { "couleur": [255, 0, 0], "capsule": "0", "court": "0" },
+  "do3": { "couleur": [255, 0, 0], "capsule": "0", "court": "1" },
   
   "dod2": { "couleur": [255, 0, 0], "capsule": "0", "court": "1", "alteration": "\\#" },
   "mib2": { "couleur": [255, 238, 0], "capsule": "0", "court": "1", "alteration" : "b"},
diff --git a/boomwhackers-8+5.json b/boomwhackers-8+5.json
index 00586d131882751dd0e910de9572f049ba2cb7e0..2a980ccf3eec167a43641c010d535255a8154dfa 100644
--- a/boomwhackers-8+5.json
+++ b/boomwhackers-8+5.json
@@ -1,12 +1,12 @@
 {
-  "do1": { "couleur": [255, 0, 0], "capsule": "0", "court": "1" },
+  "do1": { "couleur": [255, 0, 0], "capsule": "0", "court": "0" },
   "re1": { "couleur": [255, 170, 20], "capsule": "0", "court": "1" },
   "mi1": { "couleur": [255, 238, 0], "capsule": "0", "court": "1" },
   "fa1": { "couleur": [81, 255, 0], "capsule": "0", "court": "1" },
   "sol1": { "couleur": [0, 118, 88], "capsule": "0", "court": "1" },
   "la1": { "couleur": [140, 0, 255], "capsule": "0", "court": "1" },
   "si1": { "couleur": [221, 86, 147], "capsule": "0", "court": "1" },
-  "do2": { "couleur": [255, 0, 0], "capsule": "0", "court": "0" },
+  "do2": { "couleur": [255, 0, 0], "capsule": "0", "court": "1" },
 
   "dod1": { "couleur": [255, 0, 0], "capsule": "0", "court": "1", "alteration": "#" },
   "mib1": { "couleur": [255, 238, 0], "capsule": "0", "court": "1", "alteration" : "b"},
diff --git a/boomwhackers-8.json b/boomwhackers-8.json
index 23a99975b68ab62b7c646b542dbd11b3da10a388..f143d77e5f5eb4cd5cdb3882827742568b136c17 100644
--- a/boomwhackers-8.json
+++ b/boomwhackers-8.json
@@ -1,11 +1,11 @@
 {
-  "do1": { "couleur": [255, 0, 0], "capsule": "0", "court": "1" },
+  "do1": { "couleur": [255, 0, 0], "capsule": "0", "court": "0" },
   "re1": { "couleur": [255, 170, 20], "capsule": "0", "court": "1" },
   "mi1": { "couleur": [255, 238, 0], "capsule": "0", "court": "1" },
   "fa1": { "couleur": [81, 255, 0], "capsule": "0", "court": "1" },
   "sol1": { "couleur": [0, 118, 88], "capsule": "0", "court": "1" },
   "la1": { "couleur": [140, 0, 255], "capsule": "0", "court": "1" },
   "si1": { "couleur": [221, 86, 147], "capsule": "0", "court": "1" },
-  "do2": { "couleur": [255, 0, 0], "capsule": "0", "court": "0" }
+  "do2": { "couleur": [255, 0, 0], "capsule": "0", "court": "1" }
 
 }
diff --git a/musique/exercice.py b/musique/exercice.py
index 7d25f9ca31225e429d54a13f3a7e512d93c30f15..821c0cc65d0bce2112e8e088c06ca0927e3771e0 100644
--- a/musique/exercice.py
+++ b/musique/exercice.py
@@ -349,12 +349,12 @@ class GenerateurExercice(GammeTemperee):
                 str(x) + "," +  str(y) + ") circle (" + str(rayon) + ");"
       if "alteration" in boomwhacker:
         if (boomwhacker["couleur"][0] + boomwhacker["couleur"][1] + boomwhacker["couleur"][2]) > 128 * 3:
-          result += "\\draw (" + str(x) + "," + str(y) + ") node{" + str(boomwhacker["alteration"]) + "};"
+          result += "\\draw (" + str(x) + "," + str(y) + ") node{\\footnotesize " + str(boomwhacker["alteration"]) + "};"
         else:
-          result += "\\draw[color=white] (" + str(x) + "," + str(y) + ") node{" + str(boomwhacker["alteration"]) + "};"
+          result += "\\draw[color=white] (" + str(x) + "," + str(y) + ") node{\\footnotesize " + str(boomwhacker["alteration"]) + "};"
       if boomwhacker["capsule"] == "1":
-         result += "\\fill [black] (" + str(x - r) + "," + str(y - 1.2 * r) + \
-                    ") rectangle (" + str(x + r) + ", " + str(y - 1.9 * r) + ");"
+         result += "\\fill [black] (" + str(x - r/2) + "," + str(y - 1.2 * r) + \
+                    ") rectangle (" + str(x + r/2) + ", " + str(y - 1.9 * r) + ");"
 
       
       return result
@@ -427,7 +427,7 @@ class GenerateurExercice(GammeTemperee):
         stepx = 2
         stepy = 2.5
         
-      radius = stepx * 0.22
+      radius = stepx * 0.18
       
       # if the notes are all short, we increase space between circles
       maxSpace = max(self.dureeEnNoires(note[1]) for note in partitions[0])