Loewe: the German word for lion. There was Lerner and Loewe, of course. Except that the 20th century example of Loewe is rarely mentioned on its own. But there is another Loewe who also once moved in musical circles, a century before Frederick Loewe started collaborating with Alan Jay Lerner on Broadway musicals. Johann Carl Gottfried Loewe was born just a few weeks before Schubert, at the fag-end...