Lyrics:

Frank zappa (guitar, vocals, percussion)Ray collins (vocals)Jimmy carl black (drums)Roy estrada (electric bass)Don preston (electric piano)Billy mundi (drums)Bunk gardner (piccolo, flute, clarinet, bass clarinet, soprano saxophone, alto saxophone, tenor saxophone, bassoon)Ian underwood (electric organ, piano, harpsichord, celeste, flute, clarinet, alto saxophone, baritone saxophone)Arthur tripp (drums, timpani, vibes, marimba, xylophone, wood blocks, bells, small chimes)Motorhead sherwood (tenor saxophone, tambourine)Ruth komanoff (marimba, vibes)[Sleeping in a Jar lyrics on http://www.elyricsworld.com]It's the middle of the nightAnd your mommy & your daddy are sleepingIt's the middle of the nightAnd your mommy & your daddy are sleepingIt's the middle of the nightAnd your mommy & your daddy are sleepingSleepingMom & dad are sleepingSleeping in a jar...( the jar is under the bed)