Permission from the Sibelius Rights Holders was secured, and John Storgårds, chief conductor of the Helsinki Philharmonic, agreed to play and record these excerpts at the orchestra's rehearsal session on 30 October 2011.
Obtívose a autorización dos titulares dos dereitos de Sibelius, e John Storgårds, director principal da Helsingin kaupunginorkesteri, aceptou tocar e gravar estes extractos nunha sesión de ensaio da orquestra o 30 de outubro de 2011.