"Old Mill Stream: 1991 Top 20 Barbershop Quartets by Various" is a CD album released by Pro-Arte Records in 1992, showcasing the best of Barbershop Quartet music in English. Featuring various artists, this compilation album comes in a standard jewel case with near mint inlay condition. The collection of easy listening songs is a must-have for fans of this genre, highlighting the top barbershop quartets from the 1991 lineup.