The Daily ItemBOSTON – The rich voice of Johnny Mathis, which has enchanted generations, will fill the Citi Performing Arts Center Wang Theatre for one night only on Saturday at 8 p.m.Johnny Mathis became a national celebrity and household name when he appeared on the Ed Sullivan Show in 1957. His album sales skyrocketed with sales in the millions and he holds many records and has set numerous precedents in the music industry. “Johnny’s Greatest Hits” has become one of the most popular albums of all time and spent an unprecedented 490 continuous weeks on the “Billboard” Top Albums Chart, noted in the “Guinness Book of World Records.”According to record historian Joel Whitburn, Mathis is one of only five recording artists to have Top 40 Hits spanning in each of four decades since 1955. Amazingly, his second #1 Hit Single, “Too Much, Too Little, Too Late” hit the charts almost 21 years after his very first #1 Hit Single, “Chances Are.”Mathis has his own star on the Hollywood Walk of Fame and has participated in the Academy Awards presentation many times to sing the song nominated in the “Best Song” category. He has received two Grammy nominations and has been inducted into the Grammy Hall of Fame twice, Most impressive of all of his honors is his 2003 Lifetime Achievement Award by the Academy of Recording Arts and Sciences.Johnny Mathis and his orchestra will perform live at Boston’s Citi Performing Arts Center Wang Theatre for one show only on Saturday, April 5th at 8 p.m.. Tickets, which range in price from $58 to $78, are on sale at the Citi Performing Arts Center Box Office, online at www.citicenter.org, or by calling 800-447-7400.If You Go?