Glen Campbell, "Adios." "Don't think I'm ungrateful, and don't look so morose." Glen Campbell, who died Aug. 8 at 81 after a struggle with Alzheimer's, sang those bittersweet words on the title cut of his final album, which brought the curtain down on a remarkable career in which he backed up Frank Sinatra and the Monkees in the studio, toured as a Beach Boy, had his own TV show, and was the embodiment of a "Rhinestone Cowboy."

Soul Survivor: A Biography of Al Green, by Jimmy McDonough. Neil Young biographer McDonough takes on another slippery subject in Green, the heavenly soul singer moving between the spiritual and secular world who told producer Willie Mitchell: "I don't know who Al Green is." Da Capo, $28.

Dick Dale / Creem Circus. The legendary surf-rock guitar pioneer whose reverb-drenched staccato attack on songs like 1962's "Misirlou" pointed the way forward to hard rock and metal. With support from the Philly 1970s glammy band fronted by Chris DiPinto of Fishtown's DiPinto Electric Guitars & Basses, where Dale has been a customer. Tuesday at Ardmore Music Hall.

The War on Drugs, "Accidentally Like a Martyr." The Philly band delivers a lyrical cover of the late Warren Zevon's ballad from 1979's Excitable Boy, in the countdown to the Aug. 25 release of their fourth album A Deeper Understanding. Exclusively on Spotify.

Philadelphia Folk Festival. The 56th Folk Fest gets underway Thursday night with the annual campers-only show hosted by David Dye. This year's worthy trio is anchored by sterling, laid-back folk singer Joan Shelley, whose self-titled third album was produced by Wilco's Jeff Tweedy, plus Brooklyn blues band National Reserve and Canadian duo White Horse. Thursday at the Old Pool Farm in Lower Salford near Schwenksville.