To download music preview and make music playing as long as you need use free Longoloops tool. Download music files just in 3 steps:
Longoloops tracks are ready for download in preview and licensing mode. In preview (pre-purchase) mode you can download and use only MP3 version with 'beep' sound. In licensing mode (after purchase) original MP3 and WAV formats are available.
Buying music license you'll get a high quality original files to download, your name on the license and also you'll support independent artists.