 During this period, he worked closely with Melbourne instrument-maker Alastair McAllister on harpsichord design and construction, learning from McAllister advanced techniques of voicing, action set-up and the theory of harpsichord scaling and geometry.From 1980, he became the Australian representative for Frank Hubbard Harpsichords of Waltham, Massachusetts, and introduced their instruments to players and institutions throughout the east coast of Australia.From 1985 to 1992, he studied harpsichord performance in Vienna with Isolde Ahlgrimm, who had played a central role in developing the revival of interest in the use of period instruments for the performance of Baroque and Classical music.