From 1982 to 1993, Lawson was a Lay Clerk in Salisbury Cathedral Choir under Richard Seal and from 1989 was Director of Music of Chafyn Grove Preparatory School.
Lawson worked as a choir member at Salisbury Cathedral from 1982 to 1993, under the direction of Richard Seal. In 1989, he took on the role of music director at Chafyn Grove Preparatory School.