?? ?????????? ???????? ?????
????? ????? ????????? ?????????
(
???????????
:
Recording Industry Association of America
)? ?? ????? ?????? ????
?????? ????????
??
???????? ???????
? ???? ??? ??????? ?????? ????????? ?? ???????? ??????? ????? 85% ?? ????????? ???? ??? ?? ???????? ???????.
[2]
???? ??????? ?RIAA ????? ??? ??????? ?? ??? 1952 ???? ????? ?? ???????
??????
.
[2]
??? ??? 2001 ???? ??? ??????? ??2-6 ????? ????? ?????? ???? ????????.
[3]
?????
[
???
]
????? ??????
[
???
]
