Last year Jackson's death spurred a boost in Sony's sales. But that's over, and the trend line is pointing down yet again.

The music industry's decline has been so prolonged that this now qualifies as a man-bites-dog story: Sony says its music sales actually went up, just a bit, in the last quarter. Thank Michael Jackson and Susan Boyle.

Want to get Michael Jackson's new single? You will be able to get it on iTunes this month, contrary to earlier reports. But there's a catch: You're going to have to buy some of the late singer's other songs, too.

After Michael Jackson died, fans flooded iTunes to snap up his music. And contrary to an earlier report, "This Is It," the singer's final work, will also be sold by Apple this month.

by Geoffrey Fowler TuneUp Media and MusicBrainz Picard aim to clean up and properly label personal digital-music collections.