Appears on releases
| # | Title | Length | Track artist | Release title | Release artist | Release group type | Country/Date | Label | Catalog# |
|---|---|---|---|---|---|---|---|---|---|
| Official | |||||||||
| 1.1 | Freedom | 4:13 | 堂島孝平 | Freedom | 堂島孝平 | Single |
| BAY LEAGUE | CODA-1610 |
| 1.6 | Freedom | 4:16 | 堂島孝平 | djkh calendar(ドウジマ カレンダー) –Dojima Kohei’s Second Anthology– | 堂島孝平 | Album + Compilation |
| TRIAD (Japanese) | COCP-50724 |
| 1.8 | Freedom | 4:16 | 堂島孝平 | Emerald 22 Blend (オンデマンドCD) | 堂島孝平 | Album |
| Columbia Music Entertainment (Japanese logo, Oct 2002 – Oct 2010) | CORR-10413 |
| 1.8 | Freedom | 4:16 | 堂島孝平 | Emerald 22 Blend | 堂島孝平 | Album |
| BAY LEAGUE | COCP-30083 |
| 2.8 | Freedom | 4:15 | 堂島孝平 | Best of HARD CORE POP! (初回生産限定豪華盤) | 堂島孝平 | Album + Compilation |
| Imperial Records (Japanese – Teichiku sub‐label) | TECI-1315, TECI-1316 |
| 2.8 | Freedom | 4:15 | 堂島孝平 | Best of HARD CORE POP! (通常盤) | 堂島孝平 | Album + Compilation |
| Imperial Records (Japanese – Teichiku sub‐label) | TECI-1317, TECI-1318 |
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