| http://www.w3.org/ns/prov#value | - The RGT electric guitar exams are endorsed by a range of eminent guitarists from the fields of rock, pop, jazz, & blues including Sir Paul McCartney, David Gilmour, Hank Marvin, Ronnie Wood, John Etheridge, Mick Green, Glenn Tilbrook, Dave Kelly and Gordon Giltrap.
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