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The Four Freshmen is an American male vocal band quartet that blends open-harmonic jazz arrangements with the big band vocal group sounds of The Modernaires (Glenn Miller), The Pied Pipers (Tommy Dorsey), and The Mel-Tones (Artie Shaw), founded in the barbershop tradition.
The Merry Macs were an American close-harmony pop music quartet active from the 1920s till the 1960s and best known for the hits “Mairzy Doats,” “Praise the Lord and Pass the Ammunition” and "Sentimental Journey."