* Bonus tracks added to the original version
Drums: David Raven, Phil Rowland, John Elefante
Bass: Dino Elefante, John Pierce, Jimmy Johnson, John Patitucci (fretless on "Shine On")
Guitars: Dave Amato (lead), Dino Elefante (rhythm), Steff Burnbaum (lead on "Get Up")
Keyboards: John Elefante
Lead Vocals: Dave Robbins ("It's a Jungle Out There"), Dave Amato ("Glory Bound", "Love That Will Survive", "Right Hand"), John Elefante ("This is the Day", "Islands in the Sky", "Get Up" and on the bonus tracks), Perry Lee ("Love Inhalation", "Innocent Girl"), David Pack (Guest Vocalist on "Shine On").
"It's a Jungle Out There" is the first full-length album released by Mastedon, the studio project formed by former Kansas singer and keyboardist John Elefante, together with his brother Dino and a host of superb musicians including REO Speedwagon's Dave Amato, Alan Parsons and Ambrosia's David Pack, It was released originally in 1989. Long out-of-print, this luxury and remastered reissue adds 3 bonus tracks: "Wasn't It Love" (released originally in the compilation "California Metal vol.1 " in 1987) and the live versions of "Islands In The Sky" and "Right Hand", recorded in 1991 during one of the rare live performances of Mastedon.