megamusical

plural megamusicals

1. informalentertainmentA particularly elaborate or successful musical.

   Jukeboxes have frequently been compared to the megamusicals and are considered a direct offshoot.

   2022, Kevin Byrne, Emily Fuchs, The Jukebox Musical: An Interpretive History, Taylor & Francis, →ISBN

   1 more example

   Save the C-notes for eye-filling megamusicals or, maybe, a good-for-you drama of intellectual aspirations, preferably with a script from England and a star from Hollywood.

   2007 August 2, Ben Brantley, “Titters, Snickers and Guffaws, With a British Accent”, in New York Times