Still Crazy (1998)
Still Crazy is a 1998 British comedy film about a fictional 1970s rock band named "Strange Fruit", who, after being split up for two decades, are persuaded to get back together to perform at a reunion of the same concert venue where they played their last gig. The film focuses on the personal lives of the band members and those closest to them, and their individual experiences with approaching middle-age and the success that eluded them.
More at Wikipedia.