There are not many performance ensembles to which the word “institution” is applicable. And when it is, we are often discussing groups that rest on past accomplishments, preserve what has come before, and live on nostalgia. All of this could not be further from the truth when discussing Sweet Honey in the Rock, the colorful and world renowned African American women’s a cappella ensemble that was founded here in the District, 35 years ago….

Bobby McFerrinThe show opened with a couple dozen or so sprightly young women taking the stage, dressed in traditional eastern European folk garb. Their conductor, also in costume, raised his hands, signaled the opening downbeat, and out came the sound of serenity. Their voices blended into a rich harmony that recalled the music of cloisters and other forms of early European classical music. The ensemble was Jitro, a celebrated girls choir hailing from the Czech…