2021年十大流行(xing)(xing)歌(ge)曲榜(bang)(bang)中(zhong)榜(bang)(bang),CNPP小編主要依據Billboard美(mei)國、日本年榜(bang)(bang)/Oricon年榜(bang)(bang)/melon年榜(bang)(bang)/tmea評選,并綜合(he)參考互聯(lian)網相關排(pai)行(xing)(xing)榜(bang)(bang)/榜(bang)(bang)單進(jin)行(xing)(xing)推薦,如有疑問(wen),歡(huan)迎在末尾評論/批評指正(zheng)。