Adafruit Music Maker MP3 Shield for Arduino (MP3/Ogg/WAV...) : ID 1790 : $29.95 : Adafruit Industries, Unique & fun DIY electronics and kits
Arduino MP3 Shield : 5 Steps - Instructables
MP3 Player Shield Hookup - SparkFun Learn
Pass audio from input line to speaker output with Mp3 Shield VS1053 - Programming Questions - Arduino Forum
Arduino Sparkfun VS1053 Mp3 Shield - YouTube
VS1053 MP3 Player Shield
MP3 Player Shield Hookup Guide V15 - SparkFun Learn
MP3 Player Shield Hookup - SparkFun Learn
VS1053 Stereo Audio MP3 Player Shield with TF Card Slot For Arduino — PMD Way
MP3 Player Shield, OSHW In Fritzing Library, SparkFun - Kamami on-line store
MP3 Music Shield - Dance With Your Arduino - Blog
Amazon.com: SparkFun MP3 Player Shield- MP3 decoder- Turn Any Compatible with Arduino Board into a Fully Functional MP3 Player- 3.5mm Audio Out Jack- 0.1" Spaced Header for Speaker Out- microSD Card Slot :
Arduino MP3 shield board with TF card - Geeetech Wiki
Tutorial: making Gravitech's MP3 Player add-on work