Answer: rectative, aria, ground bass and triple.
Explanation:
The rhythm of the RECITATIVE is free, and the rhythm of the ARIA is more regular. The harmony of the aria is based on a chromatic GROUND BASS that descends by half step. The slow and melancholy TRIPLE meter expresses in the aria Dido's lamentation at Aeneas's departure.
Because the entire Harry Potter Universe and all the soundtracks are lit.
1) closely linked to german art 2) form of social protest 3) urban culture