All changes to tower
| Date | Change | Source |
|---|---|---|
| 9 May 2017 | 1,2: canon info amended | [James Hedgcock] via e-mail |
| 8 May 2017 | Tenor note (& ring key) now shown as Eb rather than D# | Richard Offen / Tim Jackson via e-mail |
| 30 Dec 2011 | 1-6: frame id added; frame info added | John Baldwin via database |
| 6 Aug 2009 | PN (Thu): but 'check' added | David Floyd via e-mail |
| 6 Mar 2007 | Tenor nominal added (Eb-26c) | Andrew Higson via pNBR |