Sky has partnered with Universal Music to launch a subscription-based music service offering both streaming music and "keep forever" download tracks. The venture has just been announced, and the service doesn't appear to have a name yet -- at least, not a public one. Claiming the model is a world first (a claim I'm sceptical about), Universal Music will give it a flying start by making its entire catalogue of music (including U2, Kanye West, Amy Winehouse, Mika, the Killers, Snow Patrol, Luciano Pavarotti, ABBA, Rihanna, Eminem, Andrea Bocelli, Elton John, and Duffy) available, while Sky continues to negotiate with both major and independent music companies...