Wakihi - Sugai Ken
UkabazUmorezU (不浮不埋) (2017)

Sugai Ken - Wochikaeri to Uzume
Taken from the album UkabazUmorezU    

Sugai Ken - Bantotenmoku
V/A Turn On, Tune In compilation - Lullabies For Insomniacs

Sugai Ken - Denden 
From the album  鯰上 - On The Quakefish (2016)