The email addresses associated with the project all bounce.
http://www.tsi.telecom-paristech.fr/aao/en/2010/07/08/maps-database-a-piano-database-for-multipitch-estimation-and-automatic-transcription-of-music/
Is the download page.
Does anybody have this dataset, have another pointer to where I could find it or is there someone who is in contact with one of the authors?
Thank you very much for any help you can provide.
best,
Jacques
There is another mail address mentioned; you could try to reach him there.