 The album was supported by a single, "Rock School" that received heavy airplay on MTV and featured guest contributions from Ronnie James Dio, Lita Ford and Glenn Hughes.After this, Cocks and Turtur left Heaven.Former AC/DC bass player Mark Evans and John Lalor were brought in as replacements (possibly the only time Evans was featured as a guitarist) but the relationship ended directly after a successful headlining tour of Australia.