Judith Colantone, known as Jay Clayton, (born October 28, 1941) is an American avant-garde jazz vocalist and educator. An acclaimed vocalist and educator, Jay Clayton is known for her broad-minded approach to jazz and modern creative music. Clayton sings in a highly original manner, using her three-octave voice instrumentally, often with a wordless vocabulary. Following her initial emergence singing standards at New York clubs in the 1960s, Clayton went on to work with leading artists of the avant-garde and contemporary music scene, including Muhal Richard Abrams, John Cage, Jane Ira Bloom, Bobby McFerrin, Gary Peacock, Steve Reich, and many others.