Hey guys, don't know if it's been mentioned, but you can hear some of their songs by clicking the cross at the bottom of the webpage (exclamation mark = pause, - = previous song, + = next song). The seemingly random equations are actually the song titles, once deciphered ;)
Frozen Fingers
Birth of Apparatjik
Snow Crystals
Rooftop Concert
Self Torturers
Kijtarappaeraew (We are Apparatjik backwards)
Keep A Secret
Thats what I've got so far, there are two I've yet to figure out...