Miles Dewey Davis III was an American trumpeter, bandleader and composer. He is among the most influential and acclaimed figures in the history of jazz and 20th-century music. In a career spanning nearly five decades, Davis was at the forefront of several major stylistic developments in jazz, including—but not limited to—bebop, cool jazz, hard bop, third stream, modal jazz, avant-garde jazz, and jazz fusion. Davis's legacy extends beyond jazz into the realms of rock, funk, classical, and hip-hop.