Ok those should be interesting,
I know Shostakovich 6,7, and 10 well, but I have never listened to 8 or 11 so I will check those out,
Mahler I know 2 and 5 well, but not 6 or 10, so I'll try to look at those too.
I think Stravinsky definitely hits the spot as well for that type of music--do you have any suggestions other than the the ballets? I've heard rite of spring, firebird, and petrouchka,
Sibelius, Copland, and Hanson I've heard them but not sure which selections you would recommend-- and the Britten, I've never heard that so I'll look into it--sometimes I find that I don't enjoy Britten's tonality and harmonies as much, but he always has some great stuff.