Theo Loevendie, born Johan Theodorus Loevendie on September 17, 1930, in Amsterdam, is a Dutch composer and clarinetist whose work spans both classical and jazz genres. With a career that has spanned over six decades, Loevendie has made significant contributions to the world of music, blending his classical training with his deep roots in jazz. He studied composition and clarinet at the Amsterdam Conservatory, and until 1968, he was almost exclusively dedicated to jazz. His compositions often reflect his avant-garde sensibilities, offering a unique and innovative perspective. Loevendie's discography is diverse, featuring works for piano, clarinet, and various ensembles, including his opera "The Rise of Spinoza," which was released on CD a decade after its premiere. His music continues to captivate audiences with its rich complexity and emotional depth.