As part of the celebrations for the 50th anniversary of 25 April, Museu Militar do Porto is hosting a musical show on Saturday 27 April at 5.30pm entitled "Fernando Lopes-Graça's Songs of Resistance, Struggle and Freedom" with the Choral Group of the Faculty of Arts of the University of Porto, directed by Maestro Pedro Guedes Marques and accompanied on the piano by musician Fausto Neves.