Einstein on the Beach is hardcore Philip Glass with its frenzied (and repetitive) pace, nonsensical poems, and exhaustive length. While this opera helped propel his fame, I would not recommend diving into it if you are looking for an introduction to what Philip Glass writes. Personally, I discovered and grew to love this music through the compilation CD, Songs from the Trilogy. It is cheaper than any recording of these three operas and lets you hear the best of what they have to offer. Of the three, I think Einstein on the Beach is the most difficult to appreciate and even after purchasing, it sat on my shelf. Yet, over time, I begin to hear more than the "One, two, three" and violins sawing away: there's a delicate sound beneath it all. Akhnaten and Satyagraha have this quality as well, but it's easier to hear at first listening. So if you're a casual Philip Glass listener, be prepared to not like Einstein at first because it is so much different than his more recent releases. For die-hard Glass fans, this recording is the longer (and cheaper) of the two available. If you enjoy his Music in Twelve Parts and other earlier works, this opera is a real treat. Since Einstein is such a monumental piece in the Glass library, it's a must buy. But if you're looking for something less hardcore, try Songs from the Trilogy. I gave five stars because when compared to other music, it's still awe-inspiring, but when compared to other Philip Glass music, especially the other two operas, it rates three stars. \By Richard Morgan