Amazon.com: HiLetgo WTV020-SD U Disk Audio Player MP3 Sound Module Voice Module with SD Card Slot UART 232 for Arduino : Electronics
For Arduino 5W Voice Playback Amplifier Module MP3 Music Player SD/TF Card Integrated UART I/O Trigger Class D - SINONING- Electronics DIY Accessories Store
Playing music in Arduino using SD Card Module — Steemit
10PCS SD Card Module Slot Socket Reader 4.4V/5V For Arduino ARM MCU MP3 Player | eBay
Arduino music player from SD card tutorial - YouTube
Arduino Wave Audio Player with SD Card - Simple Circuit
Music Machine – An Arduino MP3 player with amplifier and two speakers – thesolaruniverse