The Peretz group has made available a set of musical excerpts with emotion ratings. Perhaps not the most exciting musical collection, but I think it is very important that the community starts building some data sets that can be used as reference for various type of analyses.
We really need to create a set of music recordings including motion capture and video, but this first requires that we develop some common format that can be used for synchronisation and sharing. GDIF, do I need to say anything more…