Mark volman (vocals)
Howard kaylan (vocals)
Ian underwood (keyboards, woodwinds)
Aynsley dunbar (drums)
George duke (keyboards, trombone)
Martin lickert (bass)
Ruth underwood (orchestra drum set)
Jim pons (vocals)

Mark volman & howard kaylan:
How long? how long?
Till that mystery roach be arrivin’ soon
Ya-ooo ya-ooo ya-ooo ya-ooo

The mystery roach be approachin’
The mystery roach be approachin’ me
La la la la la la la, oof!
The mystery roach be approachin’
The mystery roach be approachin’ me

How long? how long? till that mystery roach been gone
Ya-ooo ya-ooo ya-ooo ya-ooo

The mystery roach be approachin’
The mystery roach be approachin’ me
La la la la la la la, oof!
The mystery roach be approachin’
The mystery roach be approachin’ me

Mystery, mystery, mystery, mystery,
Mystery, mystery, mystery, mystery, roach!

Mystery, mystery, mystery, mystery,
Mystery, mystery, mystery, mystery, roach!

Mystery, mystery, mystery, mystery,
Mystery, mystery, mystery, mystery, roach!

Mystery, mystery, mystery, mystery,
Mystery, mystery, mystery, mystery, roach!

Howard kaylan:
Wait a minute! stop the music!
Please hold it! wait a minute!
What are we singing about? mystery roach?
We must be flipping out