For the younger members of EC, "Classical Gas" could suggest some skilled musical talent with gaseous emanations following a meal of chickpeas...however, Classical Gas, by Mason Williams, is in fact one of the greatest instrumental pieces from the sixties. Here's Mr. Williams himself playing the immortal tune with the harpist, Deborah Henson-Conant in 2012. It is stunningly beautiful to listen to! Mason Williams - Classical Gas 2012 w/ Deborah Henson-Conant - YouTube