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
Barry Palmer (British singer) Barry Palmer as DC Palmer: With Triumvirat: With Gaensehaut: With Satin Whale: With Mike Oldfield (1984 / 1985): Barry Palmer as Cover Up: As Barry Palmer: Barry Palmer as Producer / Record Label: (for Amanda Scott) Barry Palmer (British singer) Barry Palmer (born 1958) is an English singer. He was a replacement for singer Helmut Köllen in the German band Triumvirat in 1976, and appeared on the albums "Old Loves Die Hard" and "Pompeii" in 1977. He later joined Mike Oldfield on his "Discovery" album in 1984 , sharing vocals with Maggie Reilly. He has also released several solo albums.