My opinions about sampling and file sharing are not popular among my musician friends, but I maintain that the free exchange of music over the Web is not unlike pollution and global warming: unpleasant for inhabitants perhaps, but an evolutionary inevitability nonetheless. The latest mutation is known as bastard-pop and bootlegs in the U.K., and mash-ups in the United States. It is the eerie collision of one song's vocal track with another song's instrumentation. Imagine an unholy union between Dr. Dre and the Cowsills, Kylie Minogue and the Stooges, Destiny's Child and the Sex Pistols, Ludacris and the Cure. Extremely perverse, illegal, and, consequently, great fun, mash-ups were typically available only on the Net or from a friend, but not anymore. Undaunted by recent lawsuits, and inspired by London's monthly bootleg nightclub "Bastard," DJ twosome Adrian and... More >>>