In the field of music, Changmarín has produced a long list of compositions, both in writing lyrics and creating the musical arrangements. One of his best-known creations comprise the lyrics for Tio Caiman, made famous by the Chilean group Quilapayún. The piece has also been recorded in Colombia, Nicaragua, Cuba, and Panama by several music groups.
In the realm of music, Changmarín has penned a vast array of compositions, encompassing both lyrical writing and musical composition. One of his most renowned works comprises the lyrics for Tio Caiman, made famous by the Chilean group Quilapayún. The piece has also been recorded in Colombia, Nicaragua, Cuba, and Panama by various music groups.