Mozart dead in his own Requiem or modern classical music sucks!

(Português abaixo) We have just returned from the Jubiläums Konzert at the Friendenskirche (Church of Friendship) located inside the Sanssouci Palace complex, in Potsdam. The concert was advertised as containing Mozart's Requiem and Bach's cantata Ein' Feste Burg Ist Unser Gott (A Mighty Fortress Is Our God), two very nice pieces. It also mention a piece by Haas entitled Sieben Klangräume (Seven Sound Spaces). I did not checked who Haas was so I was unaware of what to expect, but I thought that someone between Mozart and Bach must be good, how wrong. In reality, this Seven Sound Spaces are seven pieces of modern avant-guarde (usually synonym of "piece of crap") intertwined with Mozart's Requiem. So, between Dies Irae and Tuba Mirum the orchestra played five minutes of traffic jam noise ; before Rex Tremendae the choir made sounds like people being possessed by voodoo spirits ; before Recordare a few instruments spent several minutes imitating the sound o...