Swan Song was Led Zeppelin’s own label. First album: *Physical Graffiti*.

Exactly that. The whole point of Swan Song was that Zeppelin got tired of dealing with Atlantic’s bullshit — they wanted full control over their music, artwork, and who they signed. So they started their own imprint in 1974, with Atlantic distributing.

The first album they put out on Swan Song was Physical Graffiti in 1975. (The label’s first single was “Down by the Seaside” /