First film released in Dolby Stereo

First film released in Dolby Stereo
Who
Lisztomania (1975)
Where
UK (old dress-making factory in Fulham,London)
When
1975
Ken Russell's 1975 production Lisztomania, starring Roger Daltrey. The Dolby sound system that `reproduces silence as accurately as the sound' was developed by American born Ray Dolby in an old dress-making factory in Fulham, London.