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
Rebecca Ferguson (singer) Rebecca Ferguson (singer) Rebecca Caroline Ferguson (born 21 July 1986) is a British singer and songwriter. She came to prominence in 2010 when she became the runner-up of the seventh series of "The X Factor", losing to the winner that year, Matt Cardle. She subsequently signed a joint record deal with Syco Music and Epic Records in the UK. She later signed to Columbia Records in the US. Ferguson's debut album, "Heaven", was released in December 2011 to commercial and critical success. The album sold 128k in its first week and peaked at No. 3 in the UK Official Charts,