[1] He joined the band "Los Alegeres Dominicanos" and at some time traveled to the United States.
Through a contract with Peer International Corp. he had joined an American record label.
[1] Ballroom Dance Magazine described him as being proficient in merengue music.
Other artists like Celia Cruz and Julio Iglesias began playing songs written by Kalaff.
[6] In 2000, Kalaff was inducted into the International Latin Music Hall of Fame.