"Raymond Scott, left, sits out a session at the Village Vanguard with trombonist Benny Morton, a possible, later addition to his band. Harry Lim, who runs the jam, gives paternal advice." (Metronome, September 1942)
Let history note: this sextet had SIX players.
And because my new scanner can't execute OCR, here's a scan of the accompanying column by Barry Ulanov (click to enlarge):