- The Popular Music Books series returns today (Tues), 5 pm ET, w/ a round on 21st-c music economics: Liz Pelly's streaming crit Mood Machine; Andrew deWaard's finance salvo Derivative Media; & Brian Fauteux's satellite investigation, Music in Orbit. To join: iaspm-us.wildapricot.org/Popular-Musi...Mar 18, 2025 13:12