By Brandy McDonnellTULSA - Latin music phenomenon Ozuna's “Aura USA Tour 2018” begins on Sept. 7 and will reach 30 cities in the United States, including Tulsa, with more cities to be announced in the future.Ozuna, who is billed as the most popular music artist in the world, will tour the USA with a new new concert production, according to a news release.