The Grateful Dead train keeps on rolling. Following announcements of two Madison Square Garden shows, Dead & Company — that’s three quarters of the core Grateful Dead members plus John Mayer — have now announced eight more gigs to close out the year. Oct. 29 – Albany, NY @ Times Union Center Oct. 31 – New York City, NY @ Madison Square Garden Nov. 1 – New York City, NY @ Madison Square Garden Nov. 5 – Philadelphia, PA @ Wells Fargo Center Nov. 6 – Washington, DC @ Verizon Center Nov. 10 – Worcester, MA @ DCU Center Dec. 27 – San Francisco, CA @ Bill Graham Civic Auditorium Dec. 28 – San Francisco, CA @ Bill Graham Civic Auditorium Dec. 30 – Los Angeles, CA @ The Forum Dec. 31 – Los Angeles, CA @ The Forum