As explained in http://musicbrainz.org/show/edit/?editid=14137742

Searching for artist name and release name in the basic release search should place the appropriate result first in the list.

But now, searching for "Bovaflux Out" only lists Bovaflux's release "Out" in 6th position.

It seems that only the release name field is indexed.

I think it would be nice to have a behaviour which would be closer to natural useual search (like web search engines) by indexing several fields :

Search type : Indexed fields [optionally include these too if it appears to be good idea] (comments)

"Release" search : index "release name", "release artist name", "release artist sort name", ["release artist aliases", "track names", "label names"]

"Release group" search : index "release group name", "release names", "release group artist name", "release artist names", ["release group artist aliases", "release artist aliases", "track names", "label names"]

"Track" search : index "track name", "track artist name", "track artist sort name", "release artist name", "release artist sort name", ["transcript/translat/original track names", "track artist aliases", "release artist aliases"]

"Artist" search : index "artist name", "artist sort name", "artist aliases" (I think it's already the case)

Maybe I'm including too much things for the few times these would be useful. We can limit ourselves to the minimum 2 or 3 fields.