William Barnes-McCallum has been involved with

• Unexpected Item in the Bagging Area – Trombone

  15:45, Thu 1st – Mon 12th August 2019 at Belly Button @ Underbelly Cowgate
  

• CUMTS Gala Night 2017: Raise the Roof – Trombone 1

  23:00, Sat 25th February 2017 at ADC Theatre
  

• The Mikado at the Minack – Trombone

  20:00, Mon 19th – Fri 23rd September 2016 at The Minack Theatre
  

• The Snow Child – Trombone

  20:00, Mon 22nd – Fri 26th August 2016 at Paradise in Augustines, The Sanctuary
  

• Gianni Schicchi – Trombone

  14:30, Sat 18th June 2016 at Cambridge Union Debating Chamber
  

• CUMTS Gala Night 2016: Live in Living Colour! – Trombone

  23:00, Sat 20th February 2016 at ADC Theatre
  

• CUPO presents 'Broadway in Trinity 2: Masquerade' – Trombone

  20:00, Sat 17th October 2015 at Trinity College Chapel