Describe the difference between music as an object of memory and music as an instrument of memory.

The object of memory is affected by the historians, just like the author said “music is something that istaught, using mnemonic devises such as stuff notation and sulfate syllables, or documented in music historybook which is called an object of memory”. However, the instrument is affected by using many cultures increating and maintaining a sense of group identity

The anwewr are 2 , 4 .1

What are the statements : ) ?