Stephen Sondheim suggested evening the percentage at two percent each, but Sondheim refused because he wanted the credit. Sondheim later said he wished "someone stuffed a handkerchief in my mouth because it would have been nice to get that extra percentage". After "West Side Story" opened, Shevelove lamented the lack of "low-brow comedy" on Broadway and mentioned a possible musical based on Plautus' Roman comedies. When Sondheim was interested in the idea he called a friend, Larry Gelbart, to co-write the script. The show went through a number of drafts, and was interrupted briefly by Sondheim's next project. In 1959, Sondheim was
Saturday Night (musical) process, Sondheim halted proceedings due to feeling that his compositional level had outstripped what he had written six years previously. Although a handful of songs from the musical have appeared in revues and on Sondheim compilation albums, the score as a whole went unperformed until 1997. The Stephen Sondheim Society supported the first ever fully staged performance of the musical at the University of Birmingham, having been given permission to stage the show by Sondheim himself. The production was overseen by Professor Stephen Banfield who, also with permission from Sondheim, orchestrated the show for full band from the existing piano