Geocentric model knew about Tusi's work or that of the Maragha school. Not all Greeks agreed with the geocentric model. The Pythagorean system has already been mentioned; some Pythagoreans believed the Earth to be one of several planets going around a central fire. Hicetas and Ecphantus, two Pythagoreans of the 5th century BC, and Heraclides Ponticus in the 4th century BC, believed that the Earth rotated on its axis but remained at the center of the universe. Such a system still qualifies as geocentric. It was revived in the Middle Ages by Jean Buridan. Heraclides Ponticus was once thought to have proposed
What the....You Mean I Can't Sing?! a trio of experimental albums, "Brer Soul", "Ain't Supposed to Die a Natural Death" and "As Serious as a Heart-Attack", which were considered to be spoken word at the time, due to their use of sprechgesang. Modern critics have since dubbed these albums as precursors to hip hop music. Van Peebles wanted to record an album that showed that he could perform in a more traditional form, as opposed to the style he had used on his previous albums, titling it "What the...You Mean I Can't Sing?!" because of this. "What the...You Mean I Can't Sing?!" places more emphasis on