Graeme is one of Australia’s most eclectic choral musicians, with a wealth of experience as a conductor, teacher, composer and broadcaster of choral music. Graeme has received numerous awards including an award of the Order of Australia (AM) for service to the arts, the 2011 Lord Mayor's Australia Day Cultural Award, the Prime Minister's Medal (2003) for his contribution to music, and a Churchill Fellowship, allowing him to observe choral leadership in the United States and Canada.

As Co-Founder and first Director of The Australian Voices, Graeme helped further establish a new awareness of Australian choral music. He has conducted several Australian premiers, including Morten Lauridsen’s Lux Aeterna, Benjamin Britten's The Company of Heaven and The World of the Spirit, Andrew Carter's Benedicite and Missa Sancti Pauli, Javia Busto’s Requiem and Dominic Argento's A Toccata of Galuppi's. He has commissioned many pieces that have become Australian choral classics, such as Past Life Melodies (Hopkins) and Ngana (Leek).