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
Pearl's a Singer featured in the score of the Leiber & Stoller musical revue "Smokey Joe's Cafe". Richard Digance parodied the song as "Earl's a winger", about an inept footballer. Pearl's a Singer "Pearl's a Singer" is a song made famous by the British singer Elkie Brooks, as taken from her 1977 album "Two Days Away" which was produced by the song's co-writers Jerry Leiber and Mike Stoller. The original version of "Pearl's a Singer" had been introduced by the duo Dino and Sembello - also the song's co-writers - on their 1974 self-titled album which Leiber and Stoller had produced. The song