romantic operas brought about a number of new, significant compositional techniques. please select all of the correct ones below.
1) Chromaticism in harmony and melodies becomes increasingly important.
2) Instead of clearly separated recitatives and arias, the focus is placed on the continuity of the music.
3) The harpsichord would play a solo.
4) The Leitmotif was invented to identify characters or objects of thematic significance..
5) Lutes and guitars were integrated in the orchestra.
6) Operas increased in length to, at times, over 5 hours.
7) The Gesamtkunstwerk (Complete / Total Work of Art) was invented.