Leading executives have underlined the increasing competition faced by UK artists in the streaming age, as Music Week research shows that far fewer British acts have reached No.1 in the albums chart compared to the last two years.

Last week Muse became just the seventh domestic act to reach the summit this year with Simulation Theory (Warner Bros), alongside Jess Glynne’s Always In Between (Atlantic), Rod Stewart’s Blood Red Roses (Decca), George Ezra’s Staying At Tamara’s (Columbia), Arctic Monkeys’ Tranquility ...