In the instrumental break of Illegal Alien a telephone ring is sampled from Tony Banks's keyboard.
Mike Rutherford came up with the drum machine pattern for the song Mama.
Phil Collins drumming on That's All was performed to be reminiscent of Ringo Starr's drumming with The Beatles.
Mike Rutherford has claimed that The Mama album is his favourite Genesis album.
Tony Banks is very dismissive of this album. He has called the entire second side of the album as the weakest thing Genesis ever recorded.