Positive Grid's Spark amp helps you learn and jam to your favorite songs | Engadget
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Positive Grid Spark review: A smart game-changer for guitarists
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Positive Grid // Mannys Music
Positive Grid Spark review: A smart game-changer for guitarists
Spark - The Amp That Jams With You | “Spark, follow my guitar!" 🎸 Spark is a 40w combo amp that listens to your playing and gives you the perfect backing tracks.
Ayla Tesler-Mabé on Instagram: “The History of Rock and Roll Guitar Tone (with the @positivegrid Spark amp) is up on my YouTube now! Here's my daring attempt at recreating…”