Stop us if you've heard this one before: a cell phone comes with an unlimited music subscription. Now, flip it on its head and say the cellular carrier was the one offering the all-you-can download audio buffet -- built right into a totally unlimited data, text and voice monthly slate -- and you've basically got the new $55 Muve Music plan from Cricket Wireless. Cricket doesn't have the reach of the big four US carriers and may not even have coverage in your area, but that didn't keep it from tempting Universal, Warner, Sony and EMI from signing over millions of songs. It'l
