Talk about a well-kept secret... Throughout his too-short life, vocalist Warren Wiebe (1953-1998) never became a household name. Yet he was highly successful. As a background singer, he graced recordings by Johnny Mathis, Paul Anka, Taylor Dayne, and Air Supply. A true songwriter's singer - able to convey the heart and soul of a song without resorting to self-indulgence - he earned the respect and admiration of a "Who's Who" of songwriters who enlisted him to introduce their songs on