Saturday October 22, 2011 in Ravenna was held the International congress of speech therapists called "La Voce Artistica". Among the various topics of the congress, this year for the first time the distorted voices were analyzed. Distorted voices are a type of singing that characterize some metal genres. SG Records participated to the initiative producing the compilation "Extreme Voices" and the song Fukushima, present in the compilation tracklist and played live during the meeting.

Some singers of the most representative groups of the Italian scene participated to this unique in its kind initiative:

• Antagonism
• Domine
• Ibridoma
• Infernal Poetry
• Necromass
• Osseltion
• Jackstraw
• Scala Mercalli

SG Records