Appears on releases
| # | Title | Length | Track artist | Release title | Release artist | Release group type | Country/Date | Label | Catalog# |
|---|---|---|---|---|---|---|---|---|---|
| Official | |||||||||
| 1.4 | Someday | 5:22 | 佐野元春 | Moto Singles 1980-1989 | 佐野元春 | Album + Compilation |
| mf (M's Factory - 佐野元春プライベートレーベル) | ESCB 1064, ESCB 1065 |
| 5.16 | SOMEDAY | 5:21 | 佐野元春 | ニューミュージック・ベスト・コレクション (1991年版) | Various Artists | Album + Compilation |
| FACL-57, FBCL-63, FCCL-52, FCCL-55, FCCL-67, FCCY-90002, FDCL-65, FECL-51, FECL-64, FFCL-66, FICL-58, FNCL-53, FNCL-62, FOCL-56, FRCL-61, FSCL‐59, FUCL-54, FWCL-60 | |
| 3.5 | SOMEDAY | ?:?? | 佐野元春 | TVベストヒット・コレクション (1994 edition) | Various Artists | Album + Compilation |
| PONY CANYON (one of the labels of 株式会社ポニーキャニオン (Japanese corporation) – see annotation for how to identify sibling labels), Sony Records (Japanese imprint), Fun House (Japanese label), Victor (Japanese “His Master’s Voice” imprint), APOLLON (imprint of Apollon Music Industrial Corp. (later Apollon Inc.)), Toshiba Records, Kitty Records (PolyGram / Universal Music Japan label), Columbia (Japanese “magic notes” imprint operated by Nippon Columbia; active 1931–2002 and 2010–present), YAMAHA | DMW923, DMW92301, DMW92302, DMW92303, DMW92304, DMW92305, DMW92306, DMW92307, DMW92308, DMW92309, DMW92310, DMW92311, DMW92312 |
| 1.6 | SOMEDAY | 5:23 | 佐野元春 | 80’s ALIVE JAPAN ソニー・ミュージックエンタテインメント編 | Various Artists | Album + Compilation |
| Sony Records (Japanese imprint) | SRCL-4231 |
| 1.14 | SOMEDAY | 5:20 | 佐野元春 | 夢のうた | Various Artists | Album + Compilation |
| GT music (Japanese imprint) | MHCL-2103 |
| 2.5 | SOMEDAY | 5:20 | 佐野元春 | J-POPパレード | Various Artists | Album + Compilation |
| GT music (Japanese imprint) | MHCL-2418, MHCL-2419 |
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