As a composer he has written music for many film and television productions. He has contributed additional music to HARRY POTTER AND THE ORDER OF THE PHOENIX (Warner Brothers), the Academy-Award winning Wallace and Gromit movie, THE CURSE OF THE WERE-RABBIT (Dreamworks/Aardman), SHREK (Dreamworks) and CHICKEN RUN (Dreamworks/Aardman). His television credits include THE LAST DETECTIVE (Granada), THE BRITISH BOOK AWARDS (Cactus), SECOND NATURE (TNT/Granada) and WILLIAM AND MARY (Meridian).

His orchestration and conducting credits include OVER THE HEDGE (DreamWorks), HARRY POTTER AND THE ORDER OF THE PHOENIX (Warner Brothers), KINGDOM OF HEAVEN (FOX), KING ARTHUR (Disney), THE CHRONICLES OF NARNIA (Disney), THUNDERPANTS (Dragon Pictures), THE HEART OF ME (BBC), JACK AND THE BEANSTALK-THE TRUE STORY (Henson Productions), UNDERTAKING BETTY (Great British Films), WHAT A GIRL WANTS (Warner Brothers), MAGIC ROUNDABOUT (Pathe), FADE TO BLACK (Ealing Studios) NORTHANGER ABBEY (ITV Productions), CURIOUS GEORGE (Universal) and PIRATES OF THE CARIBBEAN: DEAD MAN’S CHEST (Disney).

Alastair is Principle Conductor of the Chamber Orchestra of London and has conducted a variety of other orchestras and choirs including The London Symphony Orchestra, BBC Concert Orchestra, Northern Sinfonia, London Session Orchestra, Metro Voices, RSVP Voices, the Bach Choir and the Choir of the King’s Consort.

He has also collaborated with a number of people from the field of pop and rock including Jarvis Cocker, Ben Folds, Moya Brennan (Clannad), Chesney Hawkes, and Alan Clark & Guy Fletcher of Dire Straits.