won a scholarship to the Royal Academy of Music - and subsequently the Academy's top prize, the Chapell Gold Medal. He was later awarded an ARAM. He has worked on all major television networks - including the BBC's National Lottery Draw. He orchestrated the TV signature tunes for London Today, London Tonight, Cross Talk and Carlton Sport. He is Arranger/ Orchestrator and Musical Director for Michael Ball and has orchestrated and conducted many tours and Gala concerts - and orchestrated tracks for Michael's Gold and Platinum selling albums. For Clear Channel Entertainment, through his company BPM Ltd. Callum has supplied orchestras for international artists including Andrea Bocelli, Shirley Bassey, Rod Stewart and Josh Groban.