In his early musical years, Egan was part of a rock band named Skrod. He can play at least five musical instruments, including guitar, piano, and drums. He is a grade 8 pianist and was taught piano by his brother Gavin Egan, a university music graduate and full-time teacher of music in the UK. Before he was in Westlife, Egan was part of a pop group called Six as One, which later changed its name to IOYOU, with fellow Westlife members Mark Feehily and Shane Filan, alongside Graham Keighron, Michael "Miggles" Garrett and Derrick Lacey.
