Noun
filker (plural filkers)
One who creates or performs filk music.
Beginning with British filker Mike Whitaker in 1992, 40 filkers were the beneficiaries of Interfilk subsidies in its first decade. Source: Internet
In the late 1980s, California filker Kay Shapero created the filk group on the Fidonet hobbyist network of electronic bulletin boards. Source: Internet