#	Title	Length	Track artist	Release title	Release artist	Release group type	Country/Date	Label	Catalog#
Official
2.13	秋のエチュード	4:21	早坂公公	Johnny’s Underground / Best of Johnny’s Disk	Various Artists	Album + Compilation	XW2010-10-20	SOLID RECORDS (Japan, ULTRA VYBE re-issue sub-label)
2.13	秋のエチュード	4:21	早坂公公	Shibuya Jazz Classics Presents Johnny’s Underground: Best of Johnny’s Disk	Various Artists	Album + Compilation	JP2010-10-22	SOLID RECORDS (Japan, ULTRA VYBE re-issue sub-label)	CDSOL-1373, CDSOL-1374
2.13	秋のエチュード	4:21	早坂公公	Shibuya Jazz Classics Presents Johnny’s Underground: Best of Johnny’s Disk	Various Artists	Album + Compilation	JP2018-12-05	Johnny’s Disk (label by a jazz cafe in Iwate, Japan), ULTRA‐VYBE	UVJZ-10100
2.13	秋のエチュード	4:21	早坂公公	Shibuya Jazz Classics Presents Johnny’s Underground: Best of Johnny’s Disk	Various Artists	Album + Compilation	JP2020-01-15	SOLID RECORDS (Japan, ULTRA VYBE re-issue sub-label), ULTRA‐VYBE	CDSOL-1373, CDSOL-1374, UVWA-0048
Pseudo-Release
2.13	Aki No Etude	4:21	Koko Hayasaka	Johnny’s Underground: Best of Johnny’s Disk	Various Artists	Album + Compilation	XW2010-10-20	SOLID RECORDS (Japan, ULTRA VYBE re-issue sub-label)

秋のエチュード

Appears on releases