April is National Literature Month per Presidential Proclamation No. 968 s. 2015.
As the lead agency in the celebration, the National Commission for Culture and the Arts (NCCA), led by National Artist and Chairman Virgilio Almario; together with the Komisyon sa Wikang Filipino and National Book Development Board, launched a one of a kind literary concert last 18 March 2018 at the Rizal Park Open Air Auditorium.
http://ncca.gov.ph/ncca-sparks-up-literature-month-with-pingkian-concert/