What is x fest?

As an AI language model, my training data only goes up to 2021, and it's possible you're asking about a specific X Fest that may not be the same. However, here's some general information about music festivals called "X Fest" in the United States:

• X Fest is a music festival that has been held in several cities across the United States, including San Diego, Modesto, Boise, and Dayton.
• The festival features a lineup of rock, punk, and alternative bands, usually with a mix of established and up-and-coming artists.
• Previous performers at X Fest have included Blink-182, Modest Mouse, The Used, Twenty One Pilots, Sublime with Rome, and Bad Religion, among others.
• Some X Fest events have also included other attractions besides music, such as carnival rides, art installations, and vendor booths.
• The dates and locations of X Fest can vary from year to year, so if you're interested in attending, it's best to check the festival's official website or social media accounts for up-to-date information.