Robert Hale was a bass baritone singer who made a career in two distinct fields, classical and country-gospel. Born in Texas but raised in Louisiana, Hale studied at Boston University and the New England Conservatory of Music. In addition to earning the Artist Diploma from the latter institution, he also won the Metropolitan Opera National Council Auditions and the National Association of Teachers of Singing competition for "Singer of the Year." After performing in recitals, he sang with the New York City Opera, and later at the Vienna State Opera, Covent Garden, La Scala, and...