Open Mic Afternoon June 24, 2018 - June 23, 2019 Recurring monthly on the 4th Sunday Dublin Roasters Coffee 1780 N. Market St., Suite C, Frederick, MD 21701 240-674-1740 1:00 PM to 3:00 PM Free E-MAIL | VISIT WEBSITE Overview Map Join us for some family fun, Open Mic afternoon from 1-3pm today! Have a musical talent? Come sign up at 1230. Looks like a beautiful day! Outside seating is available.