34 - The First Recording to Use a 12-Bar Blues Harmonic Progression with a Boogie Woogie Bass Figure
by John Tennison — History of Boogie Woogie
In addition to using Boogie-Woogie bass figures with some some degree of inherrent swing, George W. Thomas Jr.‘s “The Rocks,” recorded in February 1923, is said to be the first Boogie Woogie recording to employ a 12-bar blues structure.