In older people, aortic dissection often results from high blood pressure. The high pressure can cause part of the aorta's wall to deteriorate. Aging itself can cause similar deterioration.
When was jazz founded? Jazz wasn't founded; it evolved from and incorporated various sources (including Spanish military band music, Ragtime, an early form of what is now called blues, and boogie-woâ¦ogie) especially in New Orleans between 1895 and 1915.
Free jazz is an approach to jazz music that was first developed in the 1950s and 1960s. Though the music produced by free jazz composers varied widely, the common feature was a dissatisfaction with the limitations of bebop, hard bop, and modal jazz, which had developed in the 1940s and 1950s.