Here’s Pure Acid with a fetching gold makeover. Photo: Charlie Sorrel/Cult of Mac Pure Acid is a bass synthesizer and drum machine app for the iPad, and it might just be the best drum machine app ever ...

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Your family members and neighbors may shudder when they first see you bring a drum set into the house, but honestly, it's a worthwhile skill to have. It's great to learn how to play any musical ...