ShredDB is an experimental .shred library, I removed the audio so it's pretty useless. You can find the source .psarc files here.

Song	Artist	Play	Shred	Length	Album	Year	Tuning	Uploader	Updated	Delete
I'm My Own Master Now	Jamie Christopherson			2:12	Metal Gear Rising: Revengeance Vocal Tracks	2013	E Standard	mute	1970-01-01
It Has To Be This Way	Jamie Christopherson			2:56	Metal Gear Rising: Revengeance	2013	C# Drop B	mute	1970-01-01
It Has To Be This Way	Jimmy Gnecco			2:58	Metal Gear Rising: Revengeance - Vocal Tracks	2013	C# Drop B	mute	1970-01-01
The Only Thing I Know For Real	Logan Mader/Jamie Chirstopherson			2:29	Metal Gear Rising: Revengeance - Vocal Tracks	2013	Eb Drop Db	mute	1970-01-01