Outside of playing in Guns N Roses, lead guitaristSlashand bassist-vocalistDuff McKaganhave long championed mental health organizations.

The forecast reads that the storm will recede) and Slash contributed instantly recognizable bluesy guitar licks.

All of the money raised from the release of the single will benefit NAMI viaGibson Gives.

Duff McKagan, Slash and Cesar Gueikian. Hear Slash and Duff McKagan’s New Charity Single

Duff McKagan, Slash, and Cesar Gueikian.Gibson Records*

Gueikian tellsRolling Stonethat the original version of the song clocked in at 12 minutes.

He sent a demo to McKagan who clicked immediately with the music.

It felt like lyrics were pouring out of Duffs heart and head, he says via email.

I remember receiving messages from Duff with the lyrical sections and I was blown away.

McKagan tracked his vocals in a single day.

The musical slant and progressive rock-ness of this huge epic pushed me in a whole new direction.

I love a challenge and Cesar killed it!

Gueikian then reached out to Slash to see if he, too, would be interested.

In addition to the solos, Slash tracked several stems of lead guitars across the entire song!

I was not expecting that!

He took the song to yet another level.

I loved the riff idea, and Duffs vocal, so I felt right at home on the track.

Juliens estimates the print will fetch between $1,000 and $2,000.

Gueikian has high hopes for both the release of the single and the auction.