GooChan - 沙礫 (Official Lyric Video) 

Calligraphy by @studioautumn
Animation and Illustration by Nico Cheung @nicocheung0906
Music by GooChan
Written by GooChan
Lyrics by GooChan
Produced by GooChan
Arranged by GooChan, Y.Siu
-Special thanks 朱琳 for Backing vocal guide
Production credits :
Guitar / Drums / Bass / Backing Vocal / Programming by GooChan
Piano and Synth by Y.Siu