Found an unlined 3x5 card in my deck with this dance written in pencil in mysterious, shaky handwriting. The card has the title Late in the Evening, though I have no idea if that's the actual title. Attributions, anyone?

A1: (new) N bal & box the gnat
mad robin (gents forward first... gents cross set to...)
A2: P gypsy
P swing
B1: gents alle L 1 1/2
N swing
B2: square through