Frank Zappa and Jefferson Airplane formed a collab that nobody was expecting, and the result was an avant-garde delight.

“Lyrically, ‘Aeroplane’ is about the frustration of ... even when the words won’t come. The song feels like it’s oscillating between introspection and an outward search for understanding ...

Jefferson Airplane captured that eerieness, particularly with the line “Feed your head!” Since that song came out, it’s been far more common for musicians to write songs about Alice and company. Many ...