Brimming with the ingenuity and humanity Mark Morris’s work is known for, Pepperland is a “gorgeously entertaining and witty tribute” (The Guardian) to the Beatles’ Sgt. Pepper’s Lonely Hearts Club Band, released 50 years ago. Live musicians—including horns and a theremin—perform Ethan Iverson’s (formerly Bad Plus) arrangements of selected Sgt. Pepper songs plus Iverson originals inspired by the blues, jazz, music hall and raga styles that made the album such an eclectic delight. With costumes echoing London ’60s mod, the dancers capture the freedom and energy of the era in deft, nuanced choreography that celebrates the music’s still-surprising range and originality.