Matthew Grasso’s Thirteenth Annual Celebration of the 7-String Guitar features performers Matthew Grasso on extended 7-string guitar, Sean O’Conner on 11-string alto guitar and Charles Spruill on violin. Our program features solos, duets, and trios. Matthew Grasso and Sean O’Connor known as the 7-11 guitar duo will play original transcriptions of classical masterworks, music from the 1970’s, and some jazz standards. Violinist Charles Spruill joins Matthew Grasso for a delightful set of duos for guitar and violin. Matthew Grasso presents original music for solo extended 7-string that was inspired from the greatest mountain peaks in our solar system.