I think it was the costume designer for the show (Popstar to Operastar). You could contact them .. or Darius (who had them sew up his flies!). I'd guess it wouldn't come cheap! I'd suggest sew-on motifs .. I'd be dubious about iron-on ones for sleeves. Google sites for Goth applique .. like this one:
http://www.fabricland.co.uk/sequin_m...in_trimmin.htm
Caryl