Complex sentence: On 22 April, Bocelli gave an open air concert at Yerevan's Liberty Square, in Armenia, dedicated to the proclamation of Yerevan as the 2012 World Book Capital; he was accompanied by the Armenian Philharmonic Orchestra conducted by Marcello Rota.
Split into simpler sentences: On 22 April, Bocelli gave an open air concert at Yerevan's Liberty Square, in Armenia, dedicated to the proclamation of Yerevan as the 2012 World Book Capital. Bocelli was accompanied by the Armenian Philharmonic Orchestra conducted by Marcello Rota.