“The Most Epic Birthday Party Ever!” is a one-hour children’s musical production that will be performed indoors at the Hopkinton Center for the Arts’ Delbridge Performance Space on June 11-12. Performances are scheduled for Saturday, June 11, at 3 and 5:30 p.m., and Sunday, June 12, at 2 and 4:30 p.m. Tickets are $15 general admission and $10 for students/seniors. For more information, visit hopartscenter.org.