Amy Winehouse quits her European trip

Amy Winehouse canceled her appearances in Istanbul and Athens after having difficulty singing some of the lines of her songs in Belgrade, Serbia.Audience members in Belgrade, Serbia, booed Winehouse off the stage just a few songs into the first concert of the tour. Remainder of her 12-city European concert tour has been called off due to some unannounced reasons. Despite feeling sure that she wanted to fulfill these commitments, she has agreed with management that she cannot perform to the best of her ability and will return home.Winehouse recently left a British rehab programto prepare her for the European concerts and later agreed to call off the trip. The rehab star could not live up to her expectations.