 Christian commonly emphasized weak beats and off beats and often ended his phrases on the second half of the fourth beat.Christian experimented with asymmetrical phrasing, which was to become a core element of the new bop style.Bud Powell was pushing forward with a rhythmically streamlined, harmonically sophisticated, virtuosic piano style and Thelonious Monk was adapting the new harmonic ideas to his style that was rooted in Harlem stride piano playing.