anchor: There are also several major theaters with an ever-changing schedule of plays, ballets, and musical performances as well as popular shows featuring international bands and singers on the tour circuit.
positive: The schedule of plays, ballets, and musical performances, as well as popular shows featuring international bands and signers on the tour circuit--is ever-changing for several major theaters.
negative: Musical performancs, ballets and plays are always at the same schedule in these theaters.