Non-blocking, interrupt-driven Arduino library for the VLSI VS1053 audio decoder chip — streams MP3, AAC, Ogg Vorbis, FLAC, WMA, and WAV from SD card over SPI.

The electronics half of the HarpsiGourd — 15 pumpkins wired as capacitive touch keys driving a Music Maker MP3 shield. Pairs with the CNC Faux Piano shell for exhibition use.

The original non-blocking, interrupt-driven Arduino library for the SparkFun MP3 Player Shield (VS1053) — superseded by the generalized vs1053_for_SdFat library.