B01~02: background
B03: Cymbals
B04: Kick
B05: Snares
B06: Hi-hats
B07: fx, 8bit
B08: Reverb kick
B09: Harps
B10: Marimba
B11: Lute
B12: Lute(hamo), whistle
B13: Sine lead
B14: Soprano
B15: Xylophone
B16: Violin
B17: Viola
B18: Guitar
B19: Synth key
B20: Arpegio
B21: Synth riff