Guy and girls were newspaper show-stoppers during the fall of 1987. Guy” was Investigator Guy Barbieri of the Schenectady Police Department, who retired on Oct. 30. The girls were members of Mohonasen High School’s cheerleading team. The 12 sideline merrymakers had won the chance to compete in a national competition in Dallas during the Christmas holidays. There were other sights and sounds around that fall. Some of the sights came from Ballet Regent, where young ballet dancers were on their toes for “The Little Match Girl.” Dennis Madden had the sounds. The executive director of Proctor’s was presented with terrific new tech — a mobile telephone for his car — from the NYNEX Corp.