World-renowned guitarist, Dave Reffett announces his “Hard Rock & Heavy Metal Guitar Clinic,” set for February 23rd, 2014, from 1pm-3:30pm EST, at the Real School Of Music in Andover, MA, located at 3 Dundee Park Dr., Andover, MA (978) 475-1223. To register to attend the free event, in person, visit http://offers.therealschoolofmusic.com/dave-reffett-rock-and-shred-clinic. The free clinic will also be simulcast on UStream at http://ustream.tv/channel/real-school-live–andover. During the clinic, Dave and …