After Don Pyle and Andrew Zealley stopped working together, Don Pyle joined Girl Trouble members K.P. Kendall and Wilmer Henderson III as Black Heel Marks. For the debut album, the lineup is more fluid.

single lineup:

album lineup:

Check out the band's website and their MySpace page. Also, two of the three members on the single are also members of Girl Trouble, who also have their own web site.