The Broadway show "Movin' Out" was based on songs written by the songwriter named Billy Joel.
The musical features many of his songs, among which is of course the eponymous song Movin' Out (Anthony's Song), released in 1977 on his album The Stranger. It was an immediate hit, and it influenced many other artistic performances as well.
It's B. The other answers have the pronouns in the Nominative case.
