Hornsby was the presenter when the Grateful Dead were inducted into the Rock and Roll Hall of Fame in 1994 and in 2005 he participated in "Comes a Time", a tribute concert to Jerry Garcia. He continues to work with Dead-related projects, such as Bob Weir's Ratdog, Mickey Hart's solo projects. He performed as part of The Other Ones in 1998 and 2000, and on occasion sat in with The Dead. Hornsby continues to be involved in the Grateful Dead and Furthur community, having opened All Good Music Festival in 2012 featured with Bob Weir on rhythm guitar. In mid-2013, Hornsby performed with Grateful Dead-influenced bluegrass group Railroad Earth. Hornsby reunited with surviving members of the Grateful Dead along with Trey Anastasio from Phish and Jeff Chimenti at Levi's Stadium in Santa Clara, California, and later at Soldier Field in Chicago, Illinois, in July 2015.