Mainstream - SSD Week 12 -- Singing call (Corner progression) (Hard)
Cross Fold, Cross Run, Left Swing Thru, Promenade Home, Slide Thru, Swing (Your Partner|Corner), Swing Thru, Trade
Heads Slide Thru & Partner Trade,
Swing Thru,
Centers Cross Run,
New Centers Trade,
Left Swing Thru,
Centers Trade,
Ends Cross Fold,
Swing & Promenade