New post (Episode 14 - Interview With FretDeck Inventor Justin Comstock) has been published on GMI - Guitar & Music Institute Online Guitar Lessons - https://t.co/w0kqEzx893 https://t.co/y8GcmybCGI

New post (Episode 14 - Interview With FretDeck Inventor Justin Comstock) has been published on GMI - Guitar & Music Institute Online Guitar Lessons - https://t.co/w0kqEzx893 pic.twitter.com/y8GcmybCGI

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