The album received generally positive reviews from critics, who praised its uplifting tone and new electronic sound; however, some found its material overproduced. "Paradise" and "Every Teardrop Is a Waterfall" received a total of three Grammy Award nominations in 2012, while the album and "Charlie Brown" received two further Grammy nominations in 2013. Internationally, "Mylo Xyloto" charted at number one in 34 countries. In the United Kingdom, "Mylo Xyloto" became Coldplay's fifth album to debut at number one, selling 208,000 units in its first week, and setting a one-week digital sales record with 83,000 copies sold. "Mylo Xyloto" broke an iTunes record for digital downloads sales by selling over 500,000 digital copies in a week. (Adele's "25" album topped this record in 2015.) "Mylo Xyloto" became Coldplay's third album to debut at number one on the US "Billboard" 200, selling 447,000 units in its first week of sales. It was the UK's best-selling rock album of 2011, selling 908,000 copies. As of 2013, it has sold over 8 million copies worldwide.