05/11/2010 05:12 am ET Updated May 25, 2011

Grateful Dead Exhibit Opens At New York Historical Society

The Grateful Dead performed the last of their more than 2,300 concerts in 1995 and thus belong increasingly to history, not the present. Two related events make that reality clear: a new exhibition about the band that has just opened at the New-York Historical Society and the recent creation of the much larger archive, housed at the University of California, Santa Cruz, from which it is drawn.