The Quirky William Finn

A BROADWAY MUSICAL ABOUT A man who leaves his wife and son for another man, then breaks up with the male lover, woos him back and ultimately watches him die of aids might not sound like most people's idea of entertainment. Certainly no other current musical opens with a song called Four Jews in a Room Bitching, features a soft-shoe-dancing psychiatrist lilting about how "everyone hates his parents" or has two women characters cheerily introduce themselves as "the lesbians from next door." But then, only Falsettos, which capped off the Broadway season last week to wide critical acclaim, has music and...