I Want It All Now was played by Vince Welnick with The Tubes and he is credited as co-composer of the song.
The song was first released on The Tubes album Remote Control in 1978.
The Tubes
Remote Control, The Tubes, 1978 Goin' Down, The Tubes, 1997 20th Century Masters: The Best of the Tubes, The Tubes, 2000 The Definitive Recordings 1975-1985, The Tubes, 2017 The A&M Albums, The Tubes, 2017