The Grateful Dead played the Music Hall on this night in 1971. The band’s most recent albums were banged out in 1970 and represented some of their most enduring work.  The two albums were Workingman’s Dead and what?

Answer: American Beauty

Here’s the rest of the Rock N’ Roll Diary for April 7:

• 1962: Future Rolling Stones Mick Jagger and Keith Richards first met Brian Jones at London’s Ealing Club…
• 1970: The Grateful Dead began a four night stand at the Fillmore West with Miles Davis as the opening act…
• [photogallerylink id=56326 align=right] 1988: While rehearsing a stage act, the safety rope supporting Alice Cooper snapped, leaving him hanging by the neck for a few seconds. A roadie quickly jumped to his aid and untangled him…
• 1990:Elton John dedicated “Candle in the Wind” during his set at Farm Aid 4 in Indianapolis to teen Ryan White, who died of AIDS just hours later. Also performing: Neil Young, Jackson Browne, John Mellencamp, and Kris Kristofferson…
• 1995: Airport police seized a loaded pistol from Eddie Van Halen’s carry-on luggage, but no charges were filed against the guitarist…
• Now let’s check the WZLX ticket stash…The Grateful Dead played the Music Hall in 1971…In ’76 Lynyrd Skynyrd was at the Orpheum…And The Dead returned to jam the Garden in 1977!

The Grateful Dead, “Ripple”