Editor´s letter

LAST WEEK it emerged that digital music download sales for 2011 had already beaten 2010´s total - even before the best-selling Christmas season. It´s the beginning of the end of road for CDs, which are neither as convenient as downloads nor as nice as vinyl. Two 1960s rock giants recently provided two very different responses to the disruptive technologies that have shifted the centre of power in music from record companies to hardware and software companies over the last decade.