Chords for Atlas Sound performs "Amplifiers" at Pitchfork Music Festival 2012 (). Spark is the smartest and most interesting app to learn and enjoy playing guitar. Spark is an all-around app for beginners and advanced players to learn any song with chords or master new skills with hundreds of lessons and games in Spark.

Spark Chords|Atlas Sound performs "Amplifiers" at Pitchfork Music Festival 2012

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