Falsettos pl. : of Falsetto

Example:
How can I get better at singing Falsettos?

Taxonomy
William Finn, March of the Falsettos, Trousers, Falsettoland, song, Marvin trilogy, theatre, sheet music, 25th Annual Putnam County Spelling Bee, Elegies, Infinite Joy, tea, Song Cycle, musical, first show, one act plays, put together, acts.

Defination from the web:
Features characters, plot, history, and commentary about the musical by William Finn.