All changes to tower
| Date | Change | Source |
|---|---|---|
| 24 Jan 2020 | Ring key closer to Bb than A (despite tenor being A+33c) S | TimJ (#261) via e-mail |
| 1-6: note amended | Tim Jackson via e-mail | |
| 28 Dec 2019 | 1-6: nominal added | Bill Hibbert via e-mail |
| 8 Jun 2019 | 1-6: canons,frameid,turning added; frame info added | John Baldwin via database |
| Svc: canons,note added,wt amended | John Baldwin via database |