The dash was inserted at the appropriate place in the sentence "The art festival features face painting, food vendors, live music—oh, and fireworks," Julie said.
How can dashes be used in a sentence?
To prevent confusion with the rest of the sentence, use dashes to indicate the start and conclusion of a series. Drama is added by dashes; parentheses whisper. There are various methods to employ dashes for emphasis. One can highlight information at the start or finish of a sentence with a single dash.
Therefore, after adding dash, the above sentence becomes "The art festival features face painting, food vendors, live music—oh, and fireworks,"