 She also appeared in several episodes of "The Love Boat" (playing Gopher's mother), guest-starred on a CBS tribute to George Gershwin, did a summer comedy/concert tour with Carroll O'Connor, played a two-week engagement at the London Palladium, performed with Mary Martin in a concert benefiting the theatre and museum collection of the Museum of the City of New York, and frequently appeared as a soloist with symphony orchestras.She also volunteered at St. Luke's-Roosevelt Hospital Center (now Mount Sinai West) working in the gift shop or visiting patients.Merman was known for her powerful, belting mezzo-soprano voice and precise enunciation and pitch.