Yes, I consider it the greatest tragedy ever, that we know nothing of what classical greek music sounded like... (The loss of Mozart at 36 and W.W.I+II are far behind in my worldview).
We know many of the theoretical writings and their academic sophistication, beginning with the Pythagoreans and continuing with countless others, we know of the legendary effects of that music from what we know of Orpheus, as well as Pythagoras again who actually used music to cure ailments (not just headaches, but even liver problems, something that science is only now beginning to investigate), but we know nothing of the music itself - by the way, Aeschylus, Sophocles, and Euripides were composers as well, and their theatrical works were actually music-dramas (Aeschylus' ones were completely sung through, and the rendition of one of Euripides' songs was enough to countermand the official military directive of the victorious Spartans to destroy Athens at the end of the Peloponnesian War).
I consider the attempts by some to "re-create" that music in recent times as hilarious and as pitiful as people attempting to recreate Hans or Johnny. The real music would have been at least as epochal, as grand, as beautiful, as definitive, and as timeless as the architecture, the sculpture, and the poetry of the times, as we know that during their time, the classical Greeks considered music to have been the most evolved of the arts!!...
P.S.: Pity we don't know much about the parties either....
P.S.2: Sorry this has got nothing to do with Dedicated Audio PCs. Can you begin to imagine how much more Aeschylus and Beethoven could have done with a rig like that?... Spewccati-loops at the very least!... Oh, and Aeschylus would have used an Apple (aesthetics you see...)