Digging even deeper into a personal archive of home-recorded tapes from another time, If You Wanna Laugh, You Gotta Cry Sometimes is the third volume of previously unreleased songs from the already obscure Georgia singer/songwriter Robert Lester Folsom. In the mid-’70s, when Folsom was just out of his teens, he self-released the studio album Music and Dreams. For decades, the psychedelic soft rock of Music and Dreams served as Folsom’s only public output, and its combination of quality, mystery, and rarity eventually made it a collector’s item. Folsom’s archive of demos, unreleased solo tracks, and tunes made with friends on his reel-to-reel four-track has proved just as interesting as the strange moods of Music and Dreams, and If You…