 Complete the following phrase:  The final was scheduled to take place on 19 February 2011, however the date was later moved forward to 26 February 2011, which was later moved forward again due to a personal tragedy in Emmys family. The final took place on 5 March 2011 at the AMPTV studios in Yerevan, hosted by Gohar Gasparyan and Khoren Levonyan and broadcast on ARM 1 as well as online via the official Eurovision Song Contest website eurovision.tv. All four competing songs were performed Emmy and the winning song, Boom Boom, was selected by a 5050 combination of public SMS votes and a professional jury. In addition to the performances of the competing songs, the opening act featured 