I've used Song's as well. Great job. V8 M3 if it's not too much trouble, can you post a few pictures here of the dots on the upper side of the rear window?
E60 M5 Silverstone, Balloon White Gallardo Spider, Rosso Corsa F430, Audi CG Q7 Sportline, IS R8 before and DG R8 now, Basalt Black Carrera GT, SG M3 DCT, Orange GT3RS, IS CLK63 Black Series
On order: 2010 R8 V10