He began his music studies at an early age under Chiang Wai Man, and continued under Rosaline Pi, Derek Anthony and Michael Rippon.
Tam studied with Joy Mammen and Audrey Hyland at the RAM and he had sung in master classes by Dennis O'Neill and Robert Tear.
Other notable operatic roles include Almaviva (The Barber of Seville), Ferrando (Cosi fan Tutte), Nemorino (L'elisir d'amore), Tonio (La Fille du Regiment), Pluto (Orphée aux enfers), Mozart (Korsakov's Mozart and Salieri), Pong (Turandot), Tybalt (Romeo et Juliette) Testo (Monteverdi's Il Combatimentto di Tancredi e Clorinda), Jenik (The Bartered Bride), Goro (Madama Butterfly), Monostatos (The Magic Flute), Remendado (Carmen), Gaston (La Traviata) and many others.
Tam has also been invited by the Hong Kong Arts Festival to perform leading roles in Bach's Coffee Cantata and the contemporary chamber opera Heart of Coral composed by Chan Hing Yan in 2002 & 2013 respectively.
His works include orchestral and concert arrangements for Andy Lau, Joey Yung, Hacken Lee, Justin Lo, Sally Yeh, Jeff Cheung and Chris Wong, among others.