11 parts.

• MEMS Microphone ModuleDFRobot
• SparkFun EL SequencerSparkFun
• SparkFun Electret Microphone BreakoutSparkFun
• SparkFun LP55231 BreakoutSparkFun
• SparkFun MP3 TriggerSparkFun
• SparkFun MyoWare LED ShieldSparkFun
• SparkFun Op-Amp Breakout LMV358SparkFun
• SparkFun Proto PedalSparkFun
• SparkFun Sound DetectorSparkFun
• SparkFun Spectacle BoardSparkFun
• SparkFun WS2812 BreakoutSparkFun