SINGAPORE - SEPTEMBER 21:  Matt Bellamy of Muse performs on stage during day two of Formula 1 Singapore Grand Prix at Marina Bay Street Circuit on September 21, 2019 in Singapore.  (Photo by Suhaimi Abdullah/Getty Images)
Singer Matt Bellamy, of Muse, has described the band's upcoming Imax film as 'a bit of fun'. Getty Images

From the charts to cinemas: why it isn't always easy for musicians to make a move into films