All changes to tower
| Date | Change | Source |
|---|---|---|
| 29 Jul 2011 | Tenor note not F; nominal: F#-38c | Philip Denton nominals via pNBR |
| 1-8: nominal added | Philip Denton via 00009543 | |
| 26 Jul 2011 | 1-8: canon info added | Sam Austin via 00009530 |
| 3 Oct 2004 | Slight change to dedication to match Crockford entry | Graham Nabb check via e-mail |