In the world of classical music, composers command the lion’s share of respect. Since compositions must be played, performers also receive high praise.
In the case of vocal music, though, there are also those who write the words. But just as few people can name the person who wrote their favorite movie’s screenplay, most casual concertgoers don’t usually recall who wrote the librettos to operas and Broadway musicals. The person toiling behind the curtain, is often poorly paid to boot.