Spellgoth and Lerha are brothers.
The song "Yggdrasil's Children Fall" consists of six parts, the first part has the same music as the song "Dark Aureoles Gathering", but with different lyrics.
Tuomas Holopainen had played as a session member on every DWBM album yet and even wrote some of the songs, according to the band he will play session keyboards on their future albums as well.
It is not very known that both Erno "Emppu" Vuorinen and Tuomas Holopainen started their musician's career in DWMB. In 1998 Holopainen formed Nightwish and invited "Emppu" to play the guitar with the new band.