Music inspired by current events, including the 50th anniversary of Woodstock

We discuss “Heaven & Hell” by Vangelis, the theme song to Carl Sagan’s 1980 PBS series “Cosmos,” which is celebrating its 40th anniversary next year; “Desire” by Talk Talk, whose lead singer Mark Hollis died at the end of February; “What She Thinks About” by John Sebastian, who will perform at Woodstock this August in upstate New York; “Made Up in Blue” from the record label Flying Nun Records, which is based in Christchurch, New Zealand, the location of the mosque attack a few weeks ago.