You needn't be a student of European history or classical music to fully appreciate "Bach at Leipzig," the latest production at South Coast Repertory — although it certainly wouldn't hurt.
Playwright Itamar Moses — who concocted this tale of several organists vying to succeed the recently departed and universally venerated music master at the Thomaskirche cathedral of what eventually will become Germany — is aiming his period comedy both at the intelligentsia and the proletariat, simultaneously in fact.
Thus, as the learned musicians rant and rave over the fine points of their art, along with the current religious and political discourse of the day, they're also spinning a yarn of wordplay reminiscent of the Marx Brothers or Abbot and Costello. Refined chatter intermingles with pratfalls under the spirited direction of Art Manke.