Marlon Williams, Geraldine Hickey, Big Wett and Rhys Nicholson join Adam, Myf and Alan as they hit such musical heights they have to go into falsetto by the end of it.

MSO's Ben Northey and Athina from Gut Health are guests this week with Cam James and Peter Helliar. Plus, the Bamboos guest star playing Look What They've Done to My Song Ma & the Closer - a killer version of the secret song.