As an Associate of the New Zealand Registered Music Teachers, Christine Leaf taught piano and music theory at Bethlehem College. Christine has accompanied many singers and instrumentalists in examinations, competitions and concerts. A church musician for many years, Christine has accompanied several Tauranga choirs including the Oriana Singers and Tauranga Boy's Choir. Christine is also the accompanist for both the children's choir at St. Mary's School and the St. Mary's adult choir.
Christine Leaf performed in Love Songs the Scholars Pro Musica (now Scholars Baroque Aotearoa) second concert of the 2017 season.