Ernie Ball: String Theory featuring Robin Finck of Nine Inch Nails
19:00
Ernie Ball: String Theory featuring Daron Malakian from System Of A Down
15:47
Ernie Ball: String Theory featuring Johnny Marr
6:25
Process: Nine Inch Nails (1/3) - Effects In The Studio
2:31
Axl's relationship with Robin Finck | AFD CLIPS
1:17:08
Nine Inch Nails - VEVO Presents: Nine Inch Nails Tension 2013
17:54
What Amateurs Don't Understand About Guitar Tone
17:51
Ernie Ball: String Theory featuring Dave Navarro
11:29