lillian leach (december 20, 1936 – april 26, 2013), also known by her married name, lillian leach boyd, was an american singer who performed lead vocals with the bronx-based doo-wop group the mellows. she was noted for her mellifluous voice and wistful singing style. the mellows recorded several hit songs in the 1950s, including "smoke from your cigarette", "yesterday's memories", and "how sentimental can i be?"