https://biz.prlog.org/tag/tenor/ tenor - Free business directory on PRLog.Org, latest companies listed first. 60 https://biz.prlog.org/thekellerbrothers/ The Keller Brothers singing group is made up of George Keller (Dramatic Tenor), Peter Keller (Bass) and John Keller (Lyric Tenor) . The Keller Brothers sing a wide variety of different typres of music from pop and R&B to opera, classical and showtunes.Sun, 18 Jul 2010 14:41:31 GMT