Amy Winehouse
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Amy Winehouse's two albums have seen a rise in sales

Gennaro Castaldo from HMV talks about the increased demand for Amy Winehouse's albums Frank and Back to Black following the news of her death over the weekend.

A post-mortem examination took place on Monday. No cause of death has yet been given. Results of further toxicology tests could take up to four weeks.

According to a spokesman, the singer's funeral will be held on Tuesday afternoon for family and close friends only.

Go to next video: Tributes for Amy Winehouse