Take a moment to review the components in the circuit diagram. This illustration is meant for referencing wired connections - The length of wire, position and size of components are not exact to the diagram.
Below are the wires lengths need for each component:
The Music Maker wing fits on top of the Feather M0 board.
Play, Pause/ Resume and Next buttons are connected to pins, 13, 12 and 11. Negative is connected to the ground rail on the prototyping area on the Feather M0.
The status LED is connects power to A5 and negative to GND.
Potentiometer connects power to 3v, negative to GND and analog to A0.
Battery connects to the JST port next to the USB port on the Feather M0.