Jean-Baptiste Frédéric Isidor, Baron Thielemans (29 April 1922 – 22 August 2016), known professionally as Toots Thielemans (), was a Belgian jazz musician. He was mostly known for playing the chromatic harmonica, as well as his guitar and whistling skills, and composing. According to jazz historian Ted Gioia, his most important contribution was in "championing the humble harmonica", which Thielemans made into a "legitimate voice in jazz". He eventually became the "preeminent" jazz harmonica player.
His first professional performances were with Benny Goodman's band when they toured Europe in 1949 and 1950. He emigrated to the U.S. in 1951, becoming a citizen in 1957. From 1953 to 1959 he played with George Shearing, and then led his own groups on tours in the U.S. and Europe. In 1961 he recorded and performed live one of his own compositions, "Bluesette", which featured him playing guitar and whistling. In the 1970s and 1980s, he continued touring and recording, appearing with musicians such as Oscar Peterson, Elis Regina, Caetano Veloso, Ella Fitzgerald, Ivan Lins, Sarah Vaughan, Bill Evans, Dizzy Gillespie, Kenny Werner, Pat Metheny, Jaco Pastorius, Mina Mazzini, Quincy Jones, George Shearing, Natalie Cole, Billy Joel, Paul Simon, and Paquito D'Rivera.
Thielemans recorded the soundtracks for The Pawnbroker (1964), The Reivers (1969), Midnight Cowboy (1969), The Getaway (1972), Cinderella Liberty (1973), Turkish Delight (1973 film), The Sugarland Express (1974) and Looking for Mr. Goodbar (1977). His harmonica theme song for the popular Sesame Street TV show was heard for 40 years. He often performed and recorded with Quincy Jones, who once called him "one of the greatest musicians of our time." His parents owned a café.
After being introduced to the music of Belgian-born jazz guitarist Django Reinhardt, he became inspired to teach himself guitar, which he did by listening to Reinhardt's recordings. By the war's end in 1945, he considered himself a full-time musician. During an interview in 1988, he recalled, "I guess I was born at the right time to live and adapt and be touched by the evolution in the jazz language." Max Roach and others. He first heard the faster bebop style of jazz from records by Parker and Dizzy Gillespie after they had reached Belgium after the war. They became his musical "prophets".
Thielemans moved to the United States in 1952 where he was a member of Charlie Parker's All-Stars and worked with Miles Davis and Dinah Washington. From 1953 to 1959 he played guitar and harmonica with the George Shearing Quintet. Lennon was impressed, and felt he had to have one as well, on the principle that "if it was good enough for Thielemans it was good enough for me." Lennon and the Beatles helped make Rickenbacker guitars world-famous. or while playing the guitar and whistling in unison. He said, "If there's a piece of music that describes me, it's that song." In the 1960s he performed on television with Peggy Lee. In 1969 he recorded "Honeysuckle Rose Aquarela Do Brasil" with singer Elis Regina and performed with her on Swedish television special.
During his career he performed on many film soundtracks, such as The Pawnbroker (1964),
His music was heard on the Belgian television series Witse, and in the Netherlands, for the Baantjer program. He composed the music for the 1974 Swedish film Dunderklumpen!, in which he also provided the voice of the animated character Pellegnillot. His whistling and harmonica playing was heard on Old Spice commercials in the 1960s. He played harmonica on "Night Game" on Paul Simon's 1975 album Still Crazy After All These Years.