21 (Adele album) and vocal problems led to numerous alterations to the tour itinerary. The cancellation of the North American leg of the tour was due to a vocal haemorrhage on her vocal cords. The singer underwent corrective vocal surgery in November 2011 and cancelled all public appearances until February 2012. Adele performed "Rolling in the Deep" at the 2011 ECHO Awards, 2012 Grammy Awards and 2012 BRIT Awards ceremonies. "21" yielded five singles in total, including four worldwide releases. The lead single "Rolling in the Deep" was released in November 2010, and peaked the charts in the Netherlands, Germany, Belgium, Italy, and
Anthony David (singer) given the album more attention. Anthony's fourth album, released on February 22, 2011, was entitled "As Above So Below" and finds him teaming up with a new production partner – Nashville, Tennessee's Shannon Sanders – in addition to such guest vocalists as upcoming Atlanta songstress Algebra; rapper Phonte from Little Brother; plus cousin Shawn Stockman of Boyz II Men. The first single from the album, "4Evermore" featuring Algebra and Phonte, became David's first top 20 R&B hit in the US charts where it has peaked at #18. Anthony David (singer) Anthony David Harrington (born December 4, 1971), better known as