When the expressive Erin Granfield sings about Iowa, drawing out each letter and syllable, you learn everything you need to know about her character’s quiet restlessness and pent-up longing.

Happiness is tucked away in an office park in Columbia, MD. Amid the chiropractors, computer businesses, dance schools and Asian delis is the Red Branch Theatre Company, currently the home of a sunny staging of Lysistrata Jones, the 2011 upbeat update on Aristophanes’ bawdy comedy by Douglas Carter Beane and Lewis Flinn.