[8] The two marble sides of the stage are adorned with six relief sculptures for the six sons of Ponce that have excelled in the musical arts.

[citation needed] In 1874, a year after the abolition of slavery, a group of citizens built a small monument in memory of the historic event.

In 1880 Olimpio Otero, Juan Mayoral Barnés, and Román Baldorioty de Castro were instrumental in formalizing the concept for a park dedicated to the commemorating the abolition of slavery in Puerto Rico.

[10] The entire triangular area where Concha Acústica now stands was initially only a passive park with green spaces for lawn, flowers, and shade trees.

[11] Concha Acústica itself was built in 1956 under the administration of Ponce mayor Andrés Grillasca Salas on part of the same space occupied by the existing park.