Barbarella Tom Thoreau Left progressing becket Form:BK Figs BTR,PET(*4);PB&S;CL1x,slideL. A1: Petronella Balance & Twirl x 2 A2: Petronella Balance & Twirl x 2 B1: Partner Balance & Swing B2: Right & Left Through across (pass through & turn as couple); Circle L half, slide to next Been using this dance for years for contra dances with lots of beginners (but not for ONSs).