In musical notation, what specifies the number of beats in a bar? 1 notes 2 rests 3 ledger lines 4 time signature 5 barlines

4 Time signature

The top number shows how many beats there are in a measure and the bottom number shows what type the beat is

The taj mahal is made entirely of white marble so the answer is a. hope this < 3

The gregorian chant was a major cultural milestone in the middle ages. it was one of the first codified forms of music meant to be played as written, where previously it was difficult to mass-produce and disseminate any music. what's more, these chants were also some of the first examples of musical notation: the notes and bars of today's music sheets are a reflection of centuries of evolution beginning with these chants. it became official throughout the entirety of the catholic church, meaning that nearly all of europe followed this musical notation and styling.