Mp3 auto play and loop 1 song only using Micro SD card modue (need code)

Hi Everyone, Good Day, i would just like to ask a favor if somebody can help or give me a simple code or just a starting code idea, for arduino and Micro SD card to play just 1 mp3 file, upon power on, just automatically play without pressing any button and loops forever… any help and ideas would be much appreciated, many thanks guyz

You'll need an MP3 shield.