depends on who popular the band is
About 20,000-30,000
He is a guitarist but I don't think that he is that famous guitarist.
Guitarist = gitarist
No. The word guitarist's is a possessive noun (of or belonging to a guitarist). There is no adverb form.
yes guitarist is
Ray Toro is the lead guitarist, and Frank Iero is the other guitarist.
Hedley's guitarist is Dave Rosin.
guitarist
Billy Butler - guitarist - was born in 1925.
Rise Against's current guitarist is Zach Blair, the guitarist before him was Chris Chasse.
Dan Lead Guitarist, Cooper Guitarist, Jameson Base Guitarist, John Drummer
Former guitarist.