 He plays a Martin Dreadnaught acoustic while playing these gigs.In February 2006, Moseley recorded "Rex (Live at the Fillmore)", a live album under the band name Grateful Grass, featuring fellow musicians Keller Williams and Jeff Austin (Yonder Mountain String Band).Available only for digital download, the album featured non-traditional bluegrass versions of songs by the Grateful Dead, with 100% of the proceeds going to the Rex Foundation.