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OTRC: Amy Winehouse's 'Back to Black' album re-enters US charts after her death

Amy Winehouse appears in a publicity photo posted on her website. (amywinehouse.com)

In the wake of her death, Amy Winehouse's songs have become popular again, landing her back on the charts.

The Grammy award-winning singer's album, "Back to Black" will re-enter the Billboard album chart at No. 9, with 37,000 copies sold in the U.S. in the past week, according to the Associated Press. The wire service cites Nielsen SoundScan data released Tuesday.

Her debut album, "Frank," reportedly sold 7,000 copies. Most of the sales were digital downloads.

Digital sales of Winehouse's tracks over the past week increased by 2,000 percent, with "Rehab" being the most downloaded song.

Winehouse died at the age of 27 at her London home on Saturday. An autopsy failed to determine the cause of the singer's death. Police are awaiting the results of toxicology tests, which are expected to take two to four weeks.

A funeral was held for the singer at Edgwarebury Cemetery in north London on Tuesday. Mourners such as Kelly Osbourne and music producer Mark Ronson gathered with Winehouse's friends and family, including her parents and brother, to say their final goodbyes (see photos from Amy Winehouse's funeral).

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