What is twelve-tone music?

We explain what twelve-tone music consists of and give clues on how to listen to this music, taking fragments from Webern as an example. This system of musical composition of the twentieth century was created by Schoenberg and we could include it within the scope of contemporary music.
Beautiful and exciting twelve-tone works:
Symphony No. 4 by the Norwegian Klaus Egge (1967): hhttps: // • Symphony No.4
A Survivor from Warsaw, op. 46, by Arnold Schoenberg (1947, tribute to the victims of the Holocaust): open.spotify.c...
Within the integral serialism, the Cantata for the Magic America of the Argentine Alberto Ginastera is spectacular: • Alberto Ginastera - Ca...