Giovanni Benedetti's 1563 example of a comma "pump" or drift by a syntonic comma (21.51 cents) during a progression. Common tones between chords are the same pitch, with the other notes tuned in pure intervals to the common tones.
Pie In The Sky was written in 1911 by Joe_Hill. It was often performed by Utah_Phillips. It is part of the The Little Red Songbook produced by the Industrial Workers of the World (IWW). This file was recorded by Ace Frahm on 2013-03-22, in Ogden, UT.