Eminem – together with pals Dr Dre and 50 Cent – has set a new Nielsen SoundScan record for opening week download sales. 418,000 people have bought the digital version of his Crack A Bottle single, putting the rapper way ahead of previous record-holder T.I's 335,000 downloads.However, Eminem's track is only the third highest weekly download total of all-time (i.e. not first-week) – Flo Rida racked up 467,000 downloads of Low in one week last January, while this January Lady GaGa's Just Dance totalled 419,000 in a single week.