Okay, the secret is out! World-renowned guitarist Slash disclosed that he recorded an unreleased song with the late Linkin Park frontman, Chester Bennington, in an interview with Variety. The collaboration took place in 2010 when his first solo record was in the works.

We did a song and Linkin Park at the time didn’t allow it to happen, so I did it with Lemmy [Kilmister]. The guy who engineered my demos sent it to me and I sent it to Chester’s family. But it was a trip cause the song [called “Doctor Alibi”] really speaks to his state of mind.

He still managed to release the song, but instead, he collaborated with Lemmy Kilmister, frontman of Motörhead.

His (Bennington) family has got it so it would be totally up to them. It was really good. He was awesome. It would be fine with me if they wanted to [r[release]t. Musically it’s basically the same as the Lemmy song, but the lyrics are really poignant.

There’s a possibility that Chester’s version of the song could still be released, according to Slash.

In the meantime, listen to Doctor Alibi (featuring Lemmy Kilmister)