я правильно понимаю, что billboard - это только американские продажи?

и чё это за хрень, на каком же месте Ред и Мэф?

Method Man and Redman pair up for another top 10 album as "Blackout! 2" starts at No. 4 with 63,000. The rappers collaborated on the first "Blackout!" album in 1999, which debuted and peaked at No. 3 with 254,000. Method Man has had another four solo top 10 sets on his own, while Redman has one solo top 10 (2001's "Malpractice").

и через абзац

Method Man and Redman pair up for another top 10 album as "Blackout! 2" starts at No. 7 with 57,000