Duncan has performed all over the world in musical theatre, covering all genres of song.
From London's West End to being Lead Tenor in 'The Spirit Of Broadway at the 'legendary 'Via Funchal' Theatre in Brazil, he has been principal vocalist to critical acclaim.
Throughout his career he has worked as a Soloist creating his own productions and Theatre shows and also as part of a larger cast in International Arenas and UK Theatres, gracing the same stages as British entertainment legends such as Des O Connor, Joe Longthorne and Brian Blessed to name a few.
Duncan experienced one of his greatest achievements on stage back in 2009. He was requested to perform at 'The Sporting Club' in Monte Carlo, performing for an audience including the Prince Of Monaco and Dame Shirley Bassey.
He has played Frankie Valli in the Rock and Roll musical 'Twist and Shout' in Atlantic City, USA and Toured the world with the 70s musical "Dancing Queen".
Duncan also performed as one of 'The 12 Tenors' on a sell out International tour.