Assertion: film's form | /r/AtLocation | britain
Facets:
value: by the 1700s
type: TEMPORAL
Source sentences:
text: By the 1700s, two forms of musical theater were common in Britain, France and Germany  ballad operas like John Gay's The Beggars Opera (1728) that borrowed popular songs of the day and rewrote the lyrics, and comic operas, with original scores and mostly romantic plot lines, like Michael Balfe's The Bohemian Girl (1845).