Adafruit "Music Maker" MP3 Shield for Arduino w/3W Stereo Amp
VS1053 Audio MP3 Player onboard Recording SPI OGG Encoding Control Signal Filter | eBay
VS1053 Codec + MicroSD Breakout - MP3/WAV/MIDI/OGG Play + Record - v4 | Kiwi Electronics
Amazon.com: Player Module, Audio Module Multi‑function Excellent Craftsmanship Reliable and Safe with Powerful Chip for MP3 Playback Audio for Decoding Development Board : Electrónica
OGG Converter, OGG to MP3 on the App Store
Source VS1053 VS1053B IC Chip QFP48 Original SMD Audio decoder chip audio codec MP3 WAV OGG MIDI Player Recorder Decoder Chip on m.alibaba.com
VS1053 Codec + MicroSD Breakout - MP3/WAV/MIDI/OGG Play + Record [v4] : ID 1381 : $24.95 : Adafruit Industries, Unique & fun DIY electronics and kits