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
Demy (singer) Demy (singer) Dimitra Papadea (, , born 21 August 1991), known professionally as Demy, is a Greek singer who is signed with the Greek independent label Panik Records. Until today Demy has released 2 Studio albums. "#1" in 2012, which became Platinum album and "Rodino Oniro" in 2014, which became Gold album. In 2017 she released "Demy", a collection of all of her english songs and later she released the album "Kontra" including two new songs and older songs and collaborations that hadn't been included in an album up to that time. Demy has achieved 8 No.1 songs and 2