Question: Robert Sterling is a songwriter, arranger, and record producer, his songs have been recorded by a variety of Christian artists, notably including Point of Grace, Gold City and Sandra Faye "Sandi" Patty, (born July 12, 1956) is an American Christian music singer, known for her wide vocal range and expressive flexibility which has led music critics to dub her "  "?
Sentence (from "Robert Sterling (musician)"): His tunes have worked their way to the top of the Christian pop, Southern Gospel, and inspirational radio charts.
Relevant evidence: No