They make up the core of the current line-up; other contributors are generally considered guest musicians.
On January 1, 2004, Crimson Lotus released their first EP, "Foreword", with guest vocalists Megan Branigan, Susanna Syrjä and Landis Lee Bender II.
The musical and conceptual continuation of "Foreword", "Sinful Deeds" was released on September 5, 2005.
Susanna Syrjä and Landis Lee Bender performed vocals again, joined by Matti Auerkallio.
This time the vocals were performed by Matti Auerkallio, and the EP was mastered by Pirkka Rännäli.