HALP jk lol SO BORED RN but i have to go in like 10 mins...

In musical notation, what specifies the number of beats in a bar? a notesb restsc ledger linesd time signature e barlines

Embellishments area. ornamental tones not printed in the music that seventeenth- and eighteenth-century performers were expected to add to the melody. b. music created at the same time it is performed. c. notes printed in the music that embellish the melodyd. obsolete in contemporary performances

Where does the wood yiri come from? i know it is somewhere in africa but a specific location, . worth 15 points hurry