Quantity   Component name
1 × 6 V power supply (4x AA)
1 × Hookup wire
1 × NeoPixel strip 2m Adafruit PN 1461
1 × 10 kΩ pot
1 × Cardboard top hat Party city usually has a selection for a dollar or two.
2 × Electret microphone Sparkfun PN 09964
2 × MSGEQ7 analyzer chip Sparkfun PN 10468
1 × Audio jack Sparkfun PN 08032
1 × Audio jack breakout Sparkfun 10588
2 × 22 KΩ resistor
1 × 300 - 500 Ω resistor
2 × 180 - 200 kΩ resistor
1 × 33 pF capacitor
6 × 0.1 uF capacitor
1 × 0.01 uF capacitor
1 × 1000 uF capacitor
1 × Arduino Uno
1 × Arduino proto shield w/ headers
1 × DPDT switch
1 × Perfboard