The initial contact of Puerto Ricans with the first manifestations of Jazz is the result of the United States invasion of Puerto Rico in 1898. With the arrival of the US troops, their customs and music also arrived. The orchestras at the different towns in Puerto Rico kept their musical offer of Danzas, Plenas and music from Latin America, but they began to include in their music repertoire styles heard from the United States military bands, such as Ragtime, precursor of what later would be called Jazz.

After a cajon and bass introduction, Javier Gutiérrez Massó “Caramelo” enters the stage, and immediately displays his expressiveness and interpretative skills, alternating between the piano and the electronic keyboard in the song “Monday Evening”.