I’ll be returning to my old neighborhood in Astoria, Queens on Saturday at 2 p.m. to introduce the 1962 shockumentary classic “Mondo Cane” at the Museum of the Moving Image. Just to get you in the mood, here’s the trailer and the Supremes, with the incomparable Florence Ballard, performing the title song, which was nominated for the Best Song Oscar — something that didn’t happen again for a documentary until “An Inconvenient Truth” this year. And here’s a sing along version.