XML Webservice Version 2

Hi,

I'm using Ws2 to query musicbrainz data and I'm now facing a problem:

I Know I could browse Releases by artist (working for artist in artist credits or in artist list).

I Know I could browse various artists releases where the artist appears in the artist_credit for a track, but NOT in the artist_credit for the entire release (works only for artist in artist credits).

but the only way I've found to browse releases where the artist appears in the artist list (not in artist credit) is browse recordings and lookUp every single related release.

This means a lot of service calls and a great wasting of time.

Does anyone know some better way (i.e. some kind of reverse recording/worl level relations includes)?

Tanks in advance.

Marco