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
Michael Graham (singer) he trained as an actor in America, and studied Music Technology and Sound Production after his solo career as a singer failed. In 2007, Boyzone reunited, completed a 29-date reunion tour, and released their comeback single on 29 September 2008, Love You Anyway, which was followed by a Greatest Hits album entitled "Back Again... No Matter What" released on 13 October 2008. Then he toured with Boyzone in 2009 and a brand new studio album with two singles in 2010, "Gave It All Away" and "Love Is a Hurricane" were released. In 2011 he joined his band mates to tour