For most singers the first half of the career involves extending one's repertoire, the second half trimming it.

A flop is often the result of the fact that each of the talents involved, while working on the same project, may in effect have been working on a different show from all the others. If all contributors do not share the same vision of the evening, the end product will not evince the harmony of diverse elements-the seeming inevitability of book, score, and staging-of a good musical.

For most singers the first half of the career involves extending one's repertoire, the second half trimming it.