Embryo Posted on October 28, 2010October 28, 2010 (Instrumental) Share:Click to share on Facebook (Opens in new window)Click to share on Twitter (Opens in new window)Click to share on Pinterest (Opens in new window)Click to share on WhatsApp (Opens in new window)Click to share on Telegram (Opens in new window) Related Posted in Black Sabbath and tagged Black Sabbath, lyric, Lyrics, Lyrics by Black Sabbath, Master of Reality.