Who coined the term third stream music?

Which might most reasonably be cited as a cause of the Reformation?

a. Germans' resentment against the Church's corruption b. interest in reform of monasteries and convents c. the discovery of territories in the New World d. the poverty of Northern European peasants

Which statement about Das Lied von der Erde is most accurate?

a. It can be performed with either piano or orchestral accompaniment. b. Each orchestral movement is based on one of Mahler's earlier songs. c. All of these choices. d. It combines the genres of symphony and song.