With gifted vocalist and ensemble leader Donovan Tea currently celebrating his astonishing 40th year with the group, the beloved pop vocalists of the Lettermen make their long-awaited return to the Circa '21 Dinner Playhouse on May 13, their ever-popular springtime engagements overflowing with timeless hits such as “When I Fall in Love,” “Put Your Head on My Shoulder,” “Hurt So Bad,” and “Shangri-La.”