Complex sentence: By the period 2010-2012, Z Rock & Pop was gradually expanding, by reaching its signal to Chachapoyas, Huancayo, La Oroya, Tarapoto, Pucallpa, Iquitos, Ica, Tacna, Camaná, inter alia.
Split into simpler sentences: By the period 2010-2012, Z Rock & Pop was gradually expanding its signal throughout the country. Such signal was listened in Chachapoyas, Huancayo, La Oroya, Tarapoto, Pucallpa, Iquitos, Ica, Tacna, Camaná, inter alia.