Modern classical music is music written in the 20th century and beyond. Although much of it draws heavily on earlier forms, modern composers also experimented with rejection of long-held ideas; notably, Arnold Schoenberg questioned the traditional notions of harmony with his twelve-tone system[?], and John Cage questioned the very definition of music with his use of chance and found sounds.
... be (it occurs lower than normal in hypospadias). A chordee[?] is when the urethra develops between the penis and the scrotum.
Infection of the urethra is urethritis, ...