Frank zappa (lead guitar, vocals)   George duke (keyboards, synthesizer, vocals)   Tom fowler (bass)   Ruth underwood (percussion)   Jeff simmons (rhythm guitar, vocals)   Don preston (synthesizer)   Bruce fowler (trombone)   Walt fowler (trumpet)   Napoleon murphy brock (tenor saxophone, flute, lead vocals)   Ralph humphrey (drums)   Chester thompson (drums)   Debbie (background vocals)   Lynn (background vocals)   Robert camarena (background vocals)      And in your dreams   You can see yourself   As a prophet   Saving the world   The words from you lips   (I am not a crook)   I just can't believe you are such   A fool      I just can't believe   You are such a fool   I just can't believe   You are such a fool      I just can't believe   You are such a fool   I just can't believe   You are such a fool