Author: Nancy Raskauskas, Senior Editor

Beginning today, all four major music labels — Universal Music Group, Sony BMG, Warner Music Group and EMI — and thousands of independent labels, now offer their music in the DRM-free iTunes Plus format with higher-quality 256 kbps AAC encoding. iTunes customers can also now purchase and download songs directly onto their iPhone 3G over their 3G network — just as they do with Wi-Fi today — for the same price as downloading to their computer. And in April, based on what the music labels charge Apple, songs on iTunes will be available for 69¢, 99¢, or $1.29, with most albums still priced at $9.99.  Read more:...