Tristram was appointed Organist and Master of the Choristers of Christchurch Priory, Bournemouth in 1949 – a post he held until his death 30 years later. The position came with a residence, the Georgian house 'Church Hatch' next door to the Priory, where Tristram enjoyed hosting musicians, foreign students, events and parties for the duration of the time he was resident there.
