Effective period / Period of releases: 1956 - 1958

US vocal group from Chicago, IL, managed by Connie Toole.
Quartet including two brothers (unidentified). Accompanied by musician James P. Johnson (Jimmy Johnson), owner of the Marvello Records label.
Recorded for Theron Records and Norman Forgue's Stepheny Records label (based in Evanston, IL).

Do NOT confuse with the West Coast group The Marvellos or the other group from Chicago, IL The Marvelows.