For Gun Sword if you prefer torrents you can get it on bakabt.
http://bakabt.me/153149-gun-x-sword-music-collection.html
http://bakabt.me/164679-gun-x-sword-music-collection-mp3.html
Lossless and Lossy your pick.
Get it from here. It's in lossless
http://jpddl.com/music/136495-album-nano-now-or-never-20120523-flac-lossless-cd.html
http://www.utajp.com/read.php?5763