I had tickets to see Shostakovich's 8th Symphony years ago in Carnegie Hall and Brahms' Violin Concerto was on the program. So I listened a few times, and of course, was completely blown away (best violin concerto in the SR). Even after that revelation, when I heard the amazing Argerich premiere disc (Debut Recital / Martha Argerich), I could not believe Brahms wrote such exciting piano music. Well, this disc was yet another find, especially the Sonata for 2 Pianos (its scherzo is the high point of the disc, simmering with the same wracking intensity as the Rhapsodies, and also, having a hypnotic/circular quality that seems like a strange bridge between the worlds of Beethoven and the moderns (e.g. Bartok, Prokofiev, etc.)).