Maceo Anderson, the last original member of the tap dance act known as the Four Step Brothers, died July 4 of natural causes in Los Angeles. He was 90.The Four Step Brothers began performing in the mid-1920s as a trio of unrelated teens at Harlem’s famed Cotton Club. The group became a quartet in 1938 and performed successfully until the late 1960s. Early in their career, they toured the Keith-Orpheum Circuit and danced annually at Radio City Music Hall for more than a decade. They appeared in several Hollywood features including “It Ain’t Hay” (1943), “Rhythm of the Islands” (1943), “Greenwich Village” (1944), “That’s My Gal” (1947), “Here Come the Girls” (1953) and “The Patsy” (1964).