Walking into a local thrift shop, a casual shopper may pass an old cassette player and a stack of tapes and think nothing of it. In 1975, when boomboxes featuring cassette decks were introduced to U.S. consumers, the cassette became the go-to source for portable music listening until being all but completely phased out by CDs in the mid-’80s. Although still a popular medium for alternative music junkies, it seems like the cassette...

While Olympic athletes in London are pushing their bodies to the limit, Shaun Brockhurst, aka Doctor P, was pressing the boundaries of dubstep on stage at Lollapalooza on Aug. 5, far away from England, his home country.The Perry’s stage at the three-day festival was one stop on Doctor P’s international tour, which started Aug. 2 and includes performances at ID Festival and other fests and venues across the globe. The tour...