The Cure recently began streaming selected alternative tracks from the upcoming reissue of their 1989 album, Disintegration, via a promotional website for the release.  The reissue comes with a bonus live album and 20 rare tracks.  The website is streaming Alternative Rarities 1988-1989, an album that contains 20 additional tracks not found on the Disintegration re-release.

The track listing for Alternative Rarities 1988-1989 is as follows:

Closedown (RS Home Instrumental Demo 5/88)
Last Dance (RS Home Instrumental Demo 5/88)
Lullaby (RS Home Instrumental Demo 5/88)
Tuned Out on RTV5 (Instrumental Rehearsal 6/88)
Funknnotfunk (Instrumental Rehearsal 6/88)
Babble (Instrumental Rehearsal 6/88)
Plainsong (Instrumental Demo 9/88)
Pictures of You (Instrumental Demo 9/88)
Fear of Ghosts (Instrumental Demo 9/88)
Fascination Street (Instrumental Demo 9/88)
Homesick (Instrumental Demo 9/88)
Delirious Night (Instrumental Demo 9/88)
Out of Mind (Studio Instrumental Jam 10/88)
2 Late (Studio ‘WIP’ Mix 11/88)
Lovesong (Studio ‘WIP’ Mix 11/88)
Prayers for Rain (Studio ‘WIP’ Mix 11/88)
The Same Deep Water as You (Live Dallas Starplex 9/15/89)
Disintegration (Live Dallas Starplex 9/15/89)
Untitled (Live Dallas Starplex 9/15/89)
Faith (Live Rome Palaeur 6/4/89– Crowd Bootleg)

The reissue of Disintegration is due out June 8 in the US and May 24 in the UK via Rhino and Universal, respectively

Source.