Quoting Luca/salo.rock:

I would like to report that some spambot accounts are vandalising the database.
Luckily they seem to be adding empty works which get cleaned up by ModBot, but something should be done before this gets serious.
These are just the first accounts that I managed to identify, but it is likely that there are many more:

http://musicbrainz.org/user/quintinstoneberg
http://musicbrainz.org/user/babydollsbabydo
http://musicbrainz.org/user/braunbraun
http://musicbrainz.org/user/harleypetrillo
http://musicbrainz.org/user/rosenazecca
http://musicbrainz.org/user/erenziabobb
http://musicbrainz.org/user/bearsfele
http://musicbrainz.org/user/buyingcostume
http://musicbrainz.org/user/cldiscountshoes
http://musicbrainz.org/user/dustystegeman
http://musicbrainz.org/user/ezentisrosa
http://musicbrainz.org/user/ffertytomm
http://musicbrainz.org/user/rbinithan
http://musicbrainz.org/user/nsweetinmorga
http://musicbrainz.org/user/emomstevi
http://musicbrainz.org/user/newphones