Regent Music (BMI)

Another mid-20th century United States label ... but seems to be different (different artists) from Regent Records.
See http://www.sunflower-ent.com/clients.aspx where Lionel Hampton, Count Basie, Ike Turner, Jackie Wilson, Otis Redding, Frank Sinatra, Thelonious Monk, Marvin Gaye, Duke Ellington, Charles Stepney are mentioned as artists.