Melodrama combined theatre and __________

Why did single-impression printing, rather than multiple-impression printing become the norm for publishing music until late seventeenth century?

What will be an ideal response?

Grunge

a) is really just a new kind of prog rock b) is a fusion of punk, heavy metal, and hard rock c) originated in Britain, but was first successful in the U.S. d) demands virtuoso musicianship and precision