Among all 52 "Our Gang" short comedies, Ye Olde Minstrels (1941) and Fightin' Fools (1941), their date of release was not a Saturday. Both were released on a Tuesday. Three weeks differ between them. Tuesday, February 25th, 1941 was the date of release of Fightin' Fools (1941). And Tuesday, March 18th, 1941, was the date of release of Ye Olde Minstrels (1941). All 50 other Metro-Goldwyn-Mayer "Our Gang" shorts and their date of release, were all on a Saturday.
During the lighting figures, there is the design of a valentine heart and Israel's flag, the Star of David, (the two triangles, one is turned exactly one third, (meaning 33 & 1/3%) clockwise or counter-clockwise, from the other.
Walter Wills's role as a minstrel singing Lazy Moon & in black-face, is a reminder of Al Jolson's role in movie history, of 1927's The Jazz Singer (1927), the first theatrical film that was not completely silent & musical. First movie with personal or human voices.
Just after Walter Wills starts singing Lazy Moon, he and the younger co-singers appear black-faced, plus Billie 'Buckwheat' Thomas appears to be white-faced, for five seconds approximately.