20 True Stories Behind How Jazz Really Began May 4, 2026 by Salvador Sallent #12: Swing music Made Jazz the Sound of Big-Band America In the 1930s and ’40s, swing turned jazz into mainstream popular music. Big bands, dance halls, and radio broadcasts brought jazz into everyday life, making it the dominant sound of the era. Pages: Page 1 Page 2 Page 3 Page 4 Page 5 Page 6 Page 7 Page 8 Page 9 Page 10 Page 11 Page 12 Page 13 Page 14 Page 15 Page 16 Page 17 Page 18 Page 19 Page 20