So I'm playing the song in the background right now because Pitchfork and other media sources have just announced that Brian Wilson has done a solo album of just piano instrumentals of some of his best hits, and he did write God Only Knows. It was sung by Carl, and it is a very different version, of course, because it's very stripped back. The song, as it was released in 1966, was very ornate. Most people will even say baroque