Brendan became the bookies' favourite to win top prize after receiving a score of 28 out of 30 from coaches Kian Egan, Dolores O'Riordan and Jamelia.

Following his victory, he released his debut single "You Can't Judge a Book by the Cover", originally sung by Bo Diddley.

Throughout 2015 he released numerous original songs to his SoundCloud account to coincide with his gigs in the UK & Ireland.

He also continues to upload cover versions of his favourite songs to his SoundCloud account, while still creating original music in the background.

It was announced in January 2018 that McCahey was in the running to represent Ireland in the 2018 European Song Contest, competing against past winners Pat Byrne and Keith Hanley.