Make Your Own Cheap Portable MP3 Player (Bluetooth, USB, AUX, SD Card, FM) : 4 Steps (with Pictures) - Instructables
How to Make a YouTube Video an MP3 File
What Is An MP3 File (And How Do I Open One)?
Getting Started with the LilyPad MP3 Player - SparkFun Learn
How to transfer music from YouTube (on my Chromebook) to an MP3 - Quora
Download MP3 Juice
Amazon.com: MYMAHDI 80GB MP3 Player with Bluetooth and WiFi,4" Music Player Touch Screen with Spotify, Pandra, Android Streaming MP3 Player with Audible, HiFi MP4 Player with Speaker and Deezer, Max Support 1