Lyrics of For calvin (and his next two hitch-hikers)

Janet ferguson (vocals)
Sal marquez (vocals)
Mike altschul (woodwinds)
Earl dumler (woodwinds)
Tony "bat man" ortege (woodwinds)
Joanne caldwell mcnabb (woodwinds)
Johnny rotella (woodwinds)
Fred jackson (woodwinds)
Sal marquez (brass)
Malcolm mcnabb (brass)
Bill byers (brass)
Ken shroyer (brass)
Ernie track (brass)
Bob zimmitti (percussion)
Alan estes (percussion)
Don preston (mini-moog)
Frank zappa (guitar)
Tony duran (guitar)

Erroneous (bass)
Aynsley dunbar (drums)

Where did they go?
When did they come from?
What has become of them now?

How much was the leakage
From the drain in the night
And who are those dudes in the
Back seat of calvin's car?

Where did they go?
When they got off the car?
Did they go get sandwich
And eat in the dark?