Since the end of Hollywood's Golden Era, musicals have not been able to sustain the popularity they experienced from the 1930s until the mid-1960s. Of course, there have been mainstream musicals that struck a chord with audiences over the years such as Cabaret, Moulin Rouge!, and La La Land, but the truth is, cinema is a long way away from the days when dozens of musicals premiered every year.
Source:https://www.cbr.com/iconic-cult-classic-movie-musicals/