Music streaming showdown looms as Spotify competition heats up

This week's all-star launch of US rapper Jay Z's streaming music service may not have caused Spotify's management to lose sleep -- but analysts predict tough days ahead as tech giant Apple prepares to enter the fray. After a day's silence the news was welcomed by the world leader Spotify, despite the barely veiled criticism of streaming companies like it from US superstars including Madonna and Alicia Keys at the launch in New York. Jonathan Forster, Spotify's vice presi