Phil Keaggy has frequently been listed as one of the world's top-three "finger-style", as well as "finger-picking", guitarists by Guitar Player Magazine readers' polls. Of course he plays great electric too. I like his original singer/songwriter rock albums myself (Sunday's Child, Crimson and Blue), but of his 58 studio albums the vast majority are instrumental. He was guitarist/lead vocal from the three piece band Glass Harp that had some fame opening for Hendrix, Yes, etc.
Keaggy became a pioneer in the live performance use of Looping.