As the legendary Art Ensemble of Chicago celebrates its 50th anniversary, Soul Jazz Records are releasing a new fully re-mastered edition of the group's seminal album 'Les Stances à Sophie' (1970), which features the great singer Fontella Bass on the opening track 'Theme de Yoyo', a stunning 9-min opus that continues to startle and compel new audiences today. Drawing upon the mutual soul and funk background of Bass and her then husband Lester Bowie with all the power of the Art Ensemble of Chicago's collective musicianship on board, 'Theme de Yoyo' is powerfully funky, soulful and free at the same time, a classic fusion of black music styles.