For more than four decades, Willie Nelson's faithful guitar tuner, "Tunin' Tom" Hawkins, was as much a part of the legend behind Trigger as the guitar itself. Hawkins wasn't just a technician; he was ...

Add Yahoo as a preferred source to see more of our stories on Google. Trigger—the battered, beloved Martin N-20 nylon-string guitar Nelson has played since 1969—is one of the most recognizable ...

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Guitar Pro tabs scroll across the screen while the app listens to your guitar input, detects the notes you play in real-time using the YIN pitch detection algorithm, and shows visual feedback (hit / ...