Martin Authentic Acoustic SP Bronze SUP-HD681 Both are meticulously constructed using

Both are meticulously constructed using a tin-plated steel core wire and high quality wrap wire

and open position chords for each key center are also introduced

Clips and Scenes

the choice of song material is outstanding

enabling each performer to play an important part in the group

Martin Authentic Acoustic SP Bronze SUP-HD681 Both are meticulously constructed usingMartin MA140 SP 80 20 Bronze Authentic Acoustic Guitar Strings Light 12 54 MA140 Gauges: 12 16 25 32 42 54 These strings are engineered with the performer in mind and they will always stand up to rigorous practice and performance schedules. We start with our highest tensile strength core wire, then tin plate it on all six strings for added corrosion resistance; because what you don't see matters! When coupled with our highest quality wrap wire you get