Piano Magazine Keyboard Companion Autumn 1992; Vol. 3, No. 3 The Heart of the Matter: Rhythm – When and How Do You Introduce the First Rubato? by Marvin Blickenstaff, Jean Candlish, Miriam Byler, Sue Shannon, Mary Reiff, Boyce Reid Sher Only current subscribers can view this content. Subscribe now. Username Password Remember Me Forgot Password