It might be packed with modulations, but Maurice Tani’s arrangement of the Kurt Weill/Bertolt Brecht song “Mack the Knife,” which takes its cue from the popular Bobby Darin version, is not all that difficult. To play along, grab the sheet music in the May/June 2024 issue, available for download at store.acousticguitar.com. And for more of Tani’s fun arrangements, check out “Campfire Songs for Acoustic Guitar” (https://rb.gy/ng68p).