Roots of Alessandro Cortini

Christina María Aguilera is an American singer, songwriter, actress, and television personality. An influential figure in music, Aguilera is noted for her four-octave vocal range, melismatic singing style, use of the whistle register, and continual reinvention of her image and sound. Referred to as the "Voice of a Generation", she was ranked among the greatest singers of all time by Rolling Stone. Her works have incorporated socially conscious and sexual themes, generating both controversy and critical acclaim.

Puscifer is an American rock group formed in Los Angeles by Maynard James Keenan, lead singer of Tool and A Perfect Circle. Initially Keenan was the only permanent member and he considered the project to be his "creative subconscious". Later, frequent collaborators Mat Mitchell and Carina Round became permanent members.