DR StringsDR Strings is a manufacturer of guitar and bass strings located in Westwood, New Jersey.HistoryDR was founded in 1989 by Mark Dronge, son of the Guild Guitar Company's founder Alfred Dronge, and Dr. Benzion Rapoport. At the time, making strings with semi-automatic machinery and computer-assisted machinery was becoming more prevalent. DR strings continues to make their strings by hand, making use of American-made materials in their strings.UsersSome notable users of DR Strings include: Stanley Clarke Johnny Winter Derek Trucks Sting Verdine White Victor Wooten Melissa Etheridge Beyoncé Lady Gaga Bruno Mars Martín Méndez