Calvin Harris - Acceptable in the 80s (http://www.calvinharris.tv/)

Looks hard, but if you try it slowly first and then build up the speed to the correct 
then it fits into the song perfectly.

This riff reoccurs constantly throughout the song, just find out when.

|--12--12h17p15p12h14~--12h17p15p12h14s19~--22-19--|
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