When did you learn about PPK?

1998-1999		270
2000		221
2001		423
2002		803
I don't know anything about PPK		108
Voices: 1825

Trance Music Worldwide : Resurrection or Depression ?

Resurrection		2323
Depression		154
Voices: 2477

Russian trance or Transki ?

Russian trance		276
Transki		166
Voices: 442