Which composition was Schubert's first important publication and marked his rise to wider recognition in Vienna's musical circles?

While most surviving music during the Middle Ages is monophonic, the

polyphony of the era is characterized by:

a. dissonances that resolve to open, hollow-sounding, consonant chords b. a basso continuo that supports the melody c. sudden shifts to remote chords for expressive purposes d. triads that are now the standard consonant chord e. simple chordal harmonies that are made more active by an “Alberti” bass

How was the modernization of operatic culture at La Scala most evident in the 1880s?

a. Expansion of its repertory to include works by foreign composers. b. Deleted older works by Bellini, Donizetti, and Rossini from its repertory. c. Updated scenery and costumes. d. Changed its lighting from candles to gas jets.