Jimmy Mulvihill lists the reasons to be cheerful at London's Bally Studios' music rehearsal space. You'll never need to buy a plectrum again

Guest writer Jimmy Mulvihill at Bally Studios reveals how a space can improve its service by making small changes.

London’s Bally Studios’ owner, Jimmy Mulvihill, walks us through the do's and don'ts when auditioning that all-important new band member.