Discover the best prices on Tuning guitar drop c Instrument Strings when you comparison shop at bizrate. Browse Tuning guitar drop c in Instrument Strings to find the lowest prices from . Narrow your search by price range, product specification, store, or style -- even caluclate your tax and shipping charges before buying. bizrate is your one-stop shop for Musical Instruments & Accessory gifts: Buy EVERLY XROCKERS STRINGS .013-.065 DROP C/9113 and EVERLY XROCKERS STRINGS .012-.060 DROP C#/9112.