Clapton\'s Choice Phosphor Bronze guitar strings have a distinctively clear, warm tone with a hint of brightness that can highlight the subtleties of a player\'s style. Live or in the studio, they deliver the performance expected by Eric Clapton. These new strings are available in light and medium gauged sets. "When I play acoustic guitar, whether in a studio or on stage, these Martin Strings are my choice. They deliver the sound that I demand."