Information for Birmingham Royal Ballet: BRB2 - Carlos Acosta's Ballet Celebration at Sadler's Wells Theatre, Inner London (Dance or ballet). Coming to Sadler's Wells for the first time, Birmingham Royal Ballet's younger sibling BRB2 puts the spotlight on some of the best ballet dancers from across the globe aged 18-22. The company performs works from Serge Diaghilev, whose troupe of rebel dancers, musicians and designers fled Russia over 100 years ago to set a new standard of creativity in dance across Europe. The repertoire of this next generation of ballet includes The Firebird, Spectre de la Rose, Les Sylphides and Scheherazade.