Recently I’ve written about certain trends that are taking place in the production of musicals, bringing motion pictures to the stage — particularly Disney’s “The Lion King,” “Frozen” and “Aladdin” — and also the concept of the jukebox musical, where popular songs by well-known artists are woven into a plot like in “Mamma Mia” and “Jersey Boys.”Another trend is to have the songs of a particular star or group of stars highlighted in a …