Mark Morris Dance Group: Pepperland
"Pepperland," however, will not do anything for Morris' reputation as a choreographer. His dearth of choreographic invention"including constant repetition of a few steps, gestures and partnering tricks"was hidden behind colorful period costumes (Elizabeth Kurtzman), an odd set consisting of piles of reflective ribbons (Johan Henckens), inspired lighting (Nick Kolin) and fantastic arrangements of songs from the Be…