https://blabbermouth.net/news/machine-head-offering-video-guitar-lessons-via-jamplay
MACHINE HEAD Offering Video Guitar Lessons Via JamPlay - BLABBERMOUTH.NET
Dec 31, 2013 - MACHINE HEAD and JamPlay have joined forces for online video lessons. Visit JamPlay.com to sign up for HD-quality streaming lessons from Robb Flynn and Phil...
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