Effective period / Period of releases: 1999 - 2002

Members: Jesper Strömblad, Lauri Porra, Marco Hietala, Sharlee D'Angelo, Janne Parviainen, Alexi "Wildchild" Laiho, Roope Latvala, Ronny Milianowicz, Kimberly Goss, Tonmi Lillman, Mats Karlsson (8)

A heavy/power metal band founded in 1997 by Kimberly Goss and Jesper Strömblad.

Band's first line-up was more Swedish based and included Jesper Strömblad, Sharlee D'Angelo and Ronny Milianowicz, plus Finnish guitarist Alexi Laiho. By the time of their second album Goss had moved to Finland and the line-up was renewed and from there on consisted mainly of Finnish musicians. Sinergy released three full-lenght albums and the fourth one (Sins Of The Past) was in the making, but remains unfinished.

Final line-up:
Kimberly Goss: Vocals, keyboards (1997 – 2011)
Alexi Laiho: Guitar (1997 – 2011)
Roope Latvala: Guitar (1999 – 2011)
Lauri Porra: Bass (2002 – 2011)
Mats Karlsson: Drums (2005 – 2011)