| recordings |
|---|
| 1968-05-03 – 1968-05-13 | Silas Lang (take 1, May 6/13, 1968. RM1) | | Syd Barrett | 3:00 |
| 1968-05-06 | Silas Lang (May 6, 1968 – backing track) | | Syd Barrett | 2:47 |
| 1968-05-06 | Silas Lang (take 1, May 6, 1968) | | Syd Barrett | 2:49 |
| 1968-05-21 – 1968-06-27 | Silas Lang (Swan Lee) (take 5, May 21/28, June 8/20/27, 1968) | | Syd Barrett | 2:48 |
| 1968-05-28 – 1969-05-04 | Swan Lee (Silas Lang) | | Syd Barrett | 3:14 |
| 1968-06-08 – 1968-07-20 | Silas Lang (Swan Lee) (take 1, June 8/July 20, 1968) (source #1) | | Syd Barrett | 0:55 |
| 1968-06-08 – 1968-07-20 | Swan Lee (take 1, June 8/July 20, 1968) (source #2) | | Syd Barrett | 1:02 |
| 1968-06-20 | Swan Lee (June 20, 1968 – backing track) | | Syd Barrett | 2:43 |
| 1968 | Swan Lee | | Syd Barrett | 2:38 |
| 1969-04-10 | Swan Lee (take 5, April 10, 1969) (source #1) | | Syd Barrett | 0:47 |
| 1969-04-10 | Swan Lee (take 5, April 10, 1969) (source #2) | | Syd Barrett | 0:58 |
| 2002 | Silas Lang | cover | Yolk | 3:11 |
| eeL nawS (excerpt) | partial | Syd Barrett | 0:31 |
| eeL nawS (excerpt) | | Syd Barrett | 0:31 |
| Silas Lane | | Pink Floyd | 1:12 |
| Silas Lane | | Pink Floyd | 1:14 |
| Silas Lane (outtake) | | Pink Floyd | 1:04 |
| Silas Lang | | Syd Barrett | 2:37 |
| Silas Lang | | Pink Floyd | 1:12 |
| Silas Lang | | Pink Floyd | 2:39 |
| Silas Lang | | Pink Floyd | 2:41 |
| Silas Lang (1967‐05‐06: backing track) | | Syd Barrett | 2:52 |
| Silas Lang (take 1) | | Syd Barrett | 2:54 |
| Swan Lee | | Syd Barrett | 2:48 |
| Swan Lee | | Syd Barrett | 3:14 |
| Swan Lee (1968‐06‐08: backing track, Malcolm Jones alternative mix) | | Syd Barrett | 0:56 |
| Swan Lee (1968‐06‐20: backing track) | | Syd Barrett | 2:44 |
| Swan Lee (1969‐04‐10: fragment) | partial | Syd Barrett | 0:45 |
| Swan Lee (backing track) | | Syd Barrett | 2:44 |
| Swan Lee (Silas Lang) (take 5, May 28, June 8, 1968, April 10, 1969) | | Syd Barrett | 3:26 |
| Swan Lee (Silas Lang) (take 5, May 28, June 8, 1968, April 10, 1969) | | Syd Barrett | 4:15 |
| Swan Lee (take 1, instrumental) | | Syd Barrett | 0:58 |
| Swan Lee (vocal and guitar only) | | Syd Barrett | 0:45 |
| Syd Barrett – Silas Lang (RM1 take 1) | | Syd Barrett | 2:56 |
