The 1up - Colfax Denver, CO Join us on Friday, July 31 for Jen Hartswick Super Jam feat. Natalie Cressman (Trey Anastasio Band), Kris Myers (Umphrey's McGee), Adam Smirnoff (Lettuce), Eric Bloom (Lettuce), Steve Watkins (Allen Stone) & Dezron Douglas (Black Lion) at The 1up - Colfax in Denver, CO! Tickets are available at www.the-1up.com/listing ! www.jenhartswick.com