You can use this product as a fully featured html5 audio player (check Playlist version examples) or just to add background music to your website (check Minimal version examples) You can customize this html5 audio player by changing the color for: player background, volume slider, timer, buffer, seekbar, song title, playlist background, playlist font and playlist item line separator.

Demo: http://codecanyon.net/item/html5-audio-player-wordpress-plugin/4429751