[2] His father, Neil Finn, wrote the song "Our Day" (on the 1983 Split Enz album Conflicting Emotions) about Liam prior to his birth.

He has a solo career as a multi-instrumentalist playing drums, keyboards and guitar and singing over loop tracks, composing songs on stage and on live streams.

At the Dutch Crossing Border Festival he met Yuri Landman and borrowed a drum guitar, which he used on stage in the Netherlands and Germany.

[9][10] Appearing with Finn in Melbourne were Augie March, Bliss n Eso with Paris Wells, Gabriella Cilmi, Hunters & Collectors, Jack Johnson, Kasey Chambers & Shane Nicholson with Troy Cassar-Daley, Kings of Leon, Jet, Midnight Oil, Paul Kelly, Split Enz and Wolfmother.

[13] On 29 November 2009, Finn and his father also sang together (along with Pearl Jam, Ben Harper and Eliza-Jane Barnes) at Christchurch's AMI Stadium.