The judging panel for the 2015 edition of the International Songwriting Competition (ISC) also includes Boyz II Men, Moby, Sara Evans, Bastille and Avicii, as well as a host of music industry executives.

The judges will pick the winner of 2015's Grand Prize, while other artists will also be handed cash and services to give them a career boost.

Last year's winner (14) was Australian singer/songwriter Vance Joy with his huge hit Riptide, while other previous honourees include Passenger, Bastille, Gotye and The Band Perry.

The 2015 winner will be announced in April (16).