5 Up and Coming Artists Not to Miss at Gem and Jam 2018 The Gem and Jam Festival will be taking place January 25-28 in Tucson, Arizona. These 5 artists may not be headlining major festivals yet, but they boast big talent that is not to be missed. It’s easy to get caught up in the headliners at this year’s Gem and Jam Festival. With artists such as STS9, Emancipator, Lettuce, and Greensky Bluegrass, there’s no shortage of top-tier talent at the festival this year. However, we’re big believers that music festivals are places to discover new music. That’s why