"Into the Void" is a song by British heavy metal band Black Sabbath, released in 1971 on their album Master of Reality. An early version of "Into the Void" called "Spanish Sid" was released on the deluxe edition of Master of Reality. It is written in the key of C♯ minor.
^Rehe, Christoph (2013). Rock - Das Gesamtwerk der größten Rock-Acts im Check: alle Alben, alle Songs. Ein eclipsed-Buch (in German). Sysyphus Sysyphus Verlags GmbH. ISBN978-3868526462.
^"Soundgarden". Guitar for the Practicing Musician. December 1992.