As CD sales plummet, novelty gigs win box office bump and delight audiences.
Kid's music gets a rock 'n' roll makeover that soothes adults.
Amateur online reviews are creating competition and democracy in the race to have the first word on new albums.
Barcelona-based bands wrap the traditional Spanish gypsy music into urban rhythms in an ever-evolving new fusion.
Auditions (and just goofing around) on MySpace and YouTube vault amateur rockers into gigs with storied bands.
On 'E=MC2,' Mariah Carey discovers fresh musical equations while multi-octave newcomer Leona Lewis gets into the 'Spirit' of things.