Jazz evolved and became a significant genre of music over the course of the 20th century, and during the second half of that century, rock music did the same.
70-431 exam Jazz is an American musical art form which originated in the beginning of the 20th century in African American communities in the Southern United States from a confluence of African and European music traditions.
70-562 exam The style's West African pedigree is evident in its use of blue notes, improvisation, polyrhythms, syncopation, and the swung note.From its early development until the present, jazz has also incorporated music from 19th and 20th century American popular music.Jazz has,
70-620 exam from its early 20th century inception, spawned a variety of subgenres, ranging from New Orleans Dixieland (1910s) to 1970s and 1980s-era jazz-rock fusion.