D'Addario XT Phosphor Bronze Acoustic Guitar Strings, Light, 12-53 Dynasty The 631GS is the traditional

The 631GS is the traditional Yamaha flugelhorn used by many of the world's leading musicians

such as hum

Insulated tube receivers

Compatibility is key

D'Addario XT Phosphor Bronze Acoustic Guitar Strings, Light, 12-53 Dynasty The 631GS is the traditionalStand the test of time with strings that endure. DAddario XT strings use groundbreaking life span technology on every string in the set to bring you enhanced pitch stability and long lasting performance all while preserving the tone and feel of your favorite untreated strings. These strings are made to stay, for performance that never fades away. XT strings feature an extended lifespan treatment on every string in the set, preserving the natural tone