[BUG] volume, octave & tempo not reseting

play.cpp

@@ -23,6 +23,9 @@ uint32_t interpret_note(uint8_t* buffer, const char note, const char param ) {
 }
 
 void play_init(const char* new_song) {
+	volume=64;
+	octave=4;
+	tempo=44100;
     if (song != NULL) free(song);
 	song = (char*)malloc( strlen( new_song ) + 1 );
 	strcpy( song, new_song );