Here is the links for music and Voice Collection for Puyo Puyo!! 20th Annversary

Puyo Puyo!! 20th Annversary - (NDS) 2SF (zip, 7.53 MB)
Download Puyo Puyo!! 20th Anniversary OST here (http://www.mediafire.com/?03j7jkhgjlwoo3z)

Puyo Puyo!! 20th Annversary Voice Collection - (NDS) (zip, 80.76 MB)
Download Puyo Puyo!! 20th Anniversary Voice Collection here (http://www.mediafire.com/?qg5czxc0v0kiqqh)

Since no one's posting the lossless version of this, I guess this is OK.