サンプルだから曲の途中を40秒程度だけどいろいろさわれるよ。
 
This title is a cover of No Matter What as made famous by Badfinger 

No Matter What
No Matter What - Badfinger - Custom Backing Track MP3
Day After Day 
 
Baby Blue 
 
Download it, remix it. 
All files available for download are reproduced tracks, they're not the original music.