diff --git a/SimpleGame/media/metronome.wav b/SimpleGame/media/metronome.wav
new file mode 100644
index 0000000..7730dc1
Binary files /dev/null and b/SimpleGame/media/metronome.wav differ
diff --git a/SimpleGame/media/percussions/drums1.wav b/SimpleGame/media/percussions/drums1.wav
new file mode 100644
index 0000000..8cbdba9
Binary files /dev/null and b/SimpleGame/media/percussions/drums1.wav differ
diff --git a/SimpleGame/media/percussions/drums2.wav b/SimpleGame/media/percussions/drums2.wav
new file mode 100644
index 0000000..e921428
Binary files /dev/null and b/SimpleGame/media/percussions/drums2.wav differ
diff --git a/SimpleGame/media/percussions/drums3.wav b/SimpleGame/media/percussions/drums3.wav
new file mode 100644
index 0000000..35c9391
Binary files /dev/null and b/SimpleGame/media/percussions/drums3.wav differ
diff --git a/SimpleGame/src/Source/AudioEmitter.cpp b/SimpleGame/src/Source/AudioEmitter.cpp
index 82d79f6..fe805f6 100644
--- a/SimpleGame/src/Source/AudioEmitter.cpp
+++ b/SimpleGame/src/Source/AudioEmitter.cpp
@@ -25,8 +25,7 @@ AudioEmitter::AudioEmitter() {
   system.reset(rawSystem);
   ERRCHECK(system->init(512, FMOD_INIT_NORMAL, nullptr));
 
-  std::vector<FMOD::Sound *> rawChords(14);
-  printf("coucou\n");
+  std::vector<FMOD::Sound *> rawChords(7);
   ERRCHECK(system->createSound("media/chords/variation1/C.mp3", FMOD_LOOP_OFF, nullptr,
                                &rawChords[0]));
   ERRCHECK(system->createSound("media/chords/variation1/D.mp3", FMOD_LOOP_OFF, nullptr,
@@ -41,21 +40,22 @@ AudioEmitter::AudioEmitter() {
                                &rawChords[5]));
   ERRCHECK(system->createSound("media/chords/variation1/B.mp3", FMOD_LOOP_OFF, nullptr,
                                &rawChords[6]));
+  std::vector<FMOD::Sound*> rawChords2(7);
   ERRCHECK(system->createSound("media/chords/variation2/C.mp3", FMOD_LOOP_OFF, nullptr,
-      &rawChords[7]));
+      &rawChords2[0]));
   ERRCHECK(system->createSound("media/chords/variation2/D.mp3", FMOD_LOOP_OFF, nullptr,
-      &rawChords[8]));
+      &rawChords2[1]));
   ERRCHECK(system->createSound("media/chords/variation2/E.mp3", FMOD_LOOP_OFF, nullptr,
-      &rawChords[9]));
+      &rawChords2[2]));
   ERRCHECK(system->createSound("media/chords/variation2/F.mp3", FMOD_LOOP_OFF, nullptr,
-      &rawChords[10]));
+      &rawChords2[3]));
   ERRCHECK(system->createSound("media/chords/variation2/G.mp3", FMOD_LOOP_OFF, nullptr,
-      &rawChords[11]));
+      &rawChords2[4]));
   ERRCHECK(system->createSound("media/chords/variation2/A.mp3", FMOD_LOOP_OFF, nullptr,
-      &rawChords[12]));
+      &rawChords2[5]));
   ERRCHECK(system->createSound("media/chords/variation2/B.mp3", FMOD_LOOP_OFF, nullptr,
-      &rawChords[13]));
-  for (int i = 0; i < 14; i += 1) {
+      &rawChords2[6]));
+  for (int i = 0; i < 7; i += 1) {
     chords.push_back(std::unique_ptr<FMOD::Sound>(rawChords[i]));
   }
 
@@ -198,7 +198,7 @@ AudioEmitter::AudioEmitter() {
   }
 
   FMOD::Sound *metronome_Sound;
-  ERRCHECK(system->createSound("media/notes/A1.mp3", FMOD_DEFAULT, nullptr,
+  ERRCHECK(system->createSound("media/percussions/drums1.wav", FMOD_DEFAULT, nullptr,
                                &metronome_Sound));
   ERRCHECK(system->playSound(metronome_Sound, nullptr, true, &timer));
   ERRCHECK(timer->setVolume(0));
@@ -311,7 +311,6 @@ std::vector<std::pair<float, int>> AudioEmitter::generateMusic() {
       ERRCHECK(system->playSound(notes[index_note].get(), nullptr, true,
                                  &channelNote));
       float note_start = (i + time / 8.f) * beatDuration;
-      printf("note start %f \n", note_start);
       unsigned long long delayNote =
           (unsigned long long)(note_start * sampleRate);
       ERRCHECK(channelNote->setDelay(delayNote, 0, true));