Profile of Mixhalo, a live-music app being offered by bands like Aerosmith as a VIP experience, to let fans hear the music at live shows as the band intended (Mike Murphy/Quartz)

Mike Murphy / Quartz:
Profile of Mixhalo, a live-music app being offered by bands like Aerosmith as a VIP experience, to let fans hear the music at live shows as the band intended  —  Think back to the first time you saw a high-definition TV program.  —  After a lifetime of looking at standard-definition shows …