Callen Radcliffe Tjader, Jr. (/ˈtʃeɪ.dər/ CHAY-der; July 16, 1925 – May 5, 1982), known as Cal Tjader, was an American Latin jazz musician, known as the most successful non-Latino Latin musician. He also explored various other jazz idioms but never abandoned the music of Cuba, the Caribbean, and Latin America, performing it until his death.Tjader primarily played the vibraphone. He was accomplished on the drums, bongos, congas, timpani, and the piano.