“Throughout this event-heavy summer, live concerts are being recorded onto discs and sold shortly after the performances. Post-concert CDs are typically two- or three-disc sets that sell for about $20 each. Few major acts have agreed to participate in this new concert merchandising segment, and most of the activity is taking place at small venues. Revenue has been modest. Still, two high-profile concert-CD startup companies believe they can eventually win the faith of the industry’s biggest names.”