{"product_id":"martin-retro-mm13-medium-13-56-acoustic-guitar-strings-nickel","title":"Martin Retro MM13 Medium 13-56 Acoustic Guitar Strings Nickel","description":"\u003cp\u003eMartin Retro® strings are the real deal. Not an imitation. With Martin Retro® strings, you get one tough set that offers true, consistent tone and sounds like nothing else on the market. Martin’s solid nickel\/copper alloy blend provides a reduced pick attack that allows the guitar’s tonewoods to be heard, not overshadowed. Martin’s proprietary Monel wrap wire is naturally corrosion resistant, so you can play them for a long time with nothing to get in the way of your music. Discover your guitar’s true voice. Retro® strings offer enhanced longevity with warm natural tone, and they sound great plugged in.\u003c\/p\u003e","brand":"Martin","offers":[{"title":"Default Title","offer_id":52883189137687,"sku":"41Y19MM13","price":9.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0741\/7839\/6439\/files\/MM13-front.jpg?v=1777481758","url":"https:\/\/poppasmusic.com\/products\/martin-retro-mm13-medium-13-56-acoustic-guitar-strings-nickel","provider":"Poppa's Music","version":"1.0","type":"link"}