In late 1972 Gudinski had been an artist manager and concert promoter when he and business partner, Ray Evans, founded Mushroom Records.

[1] In its first few years Mushroom released albums and singles by some of the most significant Australian rock acts of the period, including Madder Lake, Chain, The Dingoes and Skyhooks.

[1] Success with Skyhooks' first few albums followed later by Split Enz and Models enabled Mushroom to dominate the Australian music industry into the 1990s.

Billy Miller is a former member of The Ferrets, Mike Rudd represented his earlier band Spectrum (later in Indelible Murtceps and Ariel).

Additional interviews are with Joe Camilleri (Jo Jo Zep & The Falcons), Sean Kelly (Models), Billy Miller, Mike Rudd, Kevin Borich, Mick Fettes (Madder Lake), Russell Morris, Matt Taylor (Chain), FJ Holden (Ol' 55) and Red Symons (Skyhooks).