Miles Davis is believed to have played an important role in influencing the revolution in Jazz music during the 20th Century. Born in 1926, Miles was widely recognized as an American composer, bandleader, and trumpeter. Davis performed with his back to the audience which the whites considered very offensive while the blacks considered it as an empowering move (Miles, 2000). During the times of Davis, harmonic structure achieved through use of cords; combined with extra music significance was the common attributes of European Jazz Music. With inspiration from an African dance troupe that was characterized by amusing drum beats, Davis composed a jazz music that entailed use of modes based upon musical scale. The musical album was recorded as the best ever in the Jazz history and was the first ever jazz musical album to attain the double platinum state (Miles, 2000). Davis switched from the European Jazz composition style to a new style “cool Jazz” which he adopted in his later compositions. Davis introduced a new kind of Jazz music that had a more relaxing effect than the former bebop style. Moreover, the cool jazz music had characteristic very fast and numerous musical notes. During the 1950’s Davis Composed his most famous quartet in which he featured Red Garland on piano, Philly Joe Jones on drums, Paul Chambers on bass, and John Coltrane on tenor saxophone (Digital Dream Door, 2009).Davis composes hit songs that were adopted in movies while other are still enjoyed worldwide today.  In 1959, Davis composed a major jazz album known as “kind of a blue” that is believed to have sold the most number of copies in jazz history. Conclusively, Davis is a major influence on both rock and jazz music and his influence in jazz music composition is widely adopted by most jazz music composers.