The audio recordings presented on the iSong4U website are of excellent sound quality and are available absolutely free of charge. The following tracks are available: Avancemos, Vuela Corazón, A Quién Tengo Yo?, Construyendo, Duc In Altum (Rema), Aquí Esta el Señor, No Puedo Vivir Sin Ti, Hoy Cantare, Mi Defensor, Mirada de Fe (Himno a San Andres), Me Duele, Quien Es Ese Hombre?, Sin Mirar Hacia Atrás., Padre Nuestro, presented as part of the release of the Avancemos. Christian is a genre of music introduced to fans on Aug 26, 2013 as part of this album. The most popular tracks in the amount of 14 pieces were included in this release by Quique Lopez, Marco Lopez & Martin Portugal. Online version of the album Avancemos by Quique Lopez, Marco Lopez & Martin Portugal for listening.