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
Bobby Soxer (singer) singer Ye Lay in ""Do Not Want To Say Good Bye"" (မနှုတ်ဆက်ချင်ဘူး) at her aged 13 years old. Bobby had released a collaborative album ""Done Pyan"" (Rocket) with hip-hop singer Hlwan Paing on 21 November 2011. This album gained “"The best music album award"” given by both Shwe FM and City FM. They donated 1 Million Myanmar Kyats from selling gained gold prize for "Rocket" music album to orphan children from “Thu Kha Yike Myone” charity organization. Since then, she has released a collaborative album, participated in many group albums and performed in many concerts. She also sung “"Ko Ko"”