Lovin' Spoonful - ""She's Still a Mystery"" & ""Only Pretty"" Other guests:--Ethel Merman - ""Riding High"" & ""This Is All I Ask"" --Sandler & Young (duo sings medley: ""Cabaret,"" ""76 Trombones,"" ""And The Band Played On..."")--David Frye (comedian doing impressions & political humor) --Tommy Cooper (comedian doing a bumbling magician act) --Corbett Monica (stand-up comedian) --Lado Dance Group (Traditional Yugoslav dance troupe doing the ""Bachelor's Dance"")Audience bows: Mrs. Lanza & Gov. Paul Laxalt; Lucera Tena (Flamenco dancer)Cameos: On stage at beginning of show: Lew Brock, Bob Gibson and Carl Yastremski (World Series Cardinals & Red Sox baseball players)