These days, record-release dates are slipperier than Lady Gaga's latex. Here's a look at the odds that we'll see these long-in-progress albums in the next few months
On a scale of 1 (most likely) to 10 (most likely)
Songs of Ascent by U2
The companion to No Line on the Horizon has been promised for a year, and already previewed live.
Likelihood: 9
(untitled) by Michael Jackson
The late king of pop supposedly left behind over 100 unreleased tracks, but not even an album title is certain.
Likelihood: 6
Hot Sauce Committee, Pt. 1 by Beastie Boys
Finished over a year ago but delayed because of Adam "MCA" Yauch's health, it doesn't currently have a release date.
Likelihood: 6
Detox by Dr. Dre
Nearly every hip-hop luminary of the last decade has worked on Dre's unfinished, possibly unfinishable magnum opus.
Likelihood: 4
(untitled) by No Doubt
Nine years after their last album, Gwen Stefani and co. are working on a ninth new song — or so they tweeted recently.
Likelihood: 4
(untitled) by Amy Winehouse
The troubled singer recently claimed that her long-awaited follow-up to Back to Black would be out this year.
Likelihood: 1