Jazz came from new Orleans you know how people say "new Orleans jazz was born here" that's where jazz came from.
It originally came from new orleans
folktale
jazz
well the first jazz came from African slave trade. The jazz then ,which was the first jazz, was either Spiritual, Work Songs or Blues. I hope this answered your question.
Blues evolved into jazz.
Rock may have had some aspects come from Jazz, but it hasn't turned "into" rock persay. Jazz music is very different from the Rock genre in many ways. If rock was developed from any genre, it would be more closely due to blues, country, and gospel. Hope this helps.
jazz and blues
It is believed that Blues has emerged since the first decade of 1900s. W.C Handy (Alabama) was the 1st person who publish Blues songs. Jazz (in early years also spelled "jass") was 1st used to refer to music in Chicago at about 1915. Most people believe that Blues came first.
Rhythm and Blues
When acid jazz came along it did not really kill off any form of music but it did combine elements of jazz, funk and hip-hop. So it could be said to have reduced the popularity of those genres although not by any great degree.
When the Germans came to san Diego in 1973, they brought with them a form of art. Jazz was a germeam jazz version of ballet, originally performed in lederhosen. Mainstream jazz was first seen in the early 1990's with the beginning of so you think you can dance.