The world's smallest media player at 11 kilobyte with one button interface

This may be the world’s smallest media player for Windows. It just weighs only 11Kb with one button interface.
Download and unzip the player ‘PlayYO’, put it into a folder full of music files. Then run it. (Double click exe file)
Options: Back and forward - move cursor onto tray icon, and scroll mouse wheel or use right and left arrow keys.
Next song - Click and hold sys tray icon.
Pause & Play -Click on sys tray icon to pause, again click to resume.
Replay - You can move mouse over system tray icon and press down arrow to start from the beginning of currently playing song.