THE GILBERT AND SULLIVAN BOOK (443 pp.)Leslie BailyBritish Book Centre ($9).
Though either man would have perished rather than commit a symbol, it remains a suggestive fact that William Schwenck Gilbert and Arthur Sullivan were introduced while standing in an empty English theater.
"I am very pleased to meet you, Mr. Sullivan," Gilbert went prattling off, with a mouth as long as a curate's. "My contention is that when a musician, who is master of many instruments, has a musical theme to express, he can express it as perfectly upon the simple tetrachord of...