Basics: Bow and Pizzicato techniques: Francois Rabbath, Shifting, Vibrato, Improvisation, Thumb Position, Simandl, Etudes, Duets, Jazz Theory, Advanced Literature: J.S. Bach, Dragonetti, Bottesini, Koussevitsky, Jazz Standards. Double Bass is physically demanding, and we often need to start them after 11 or 12 years depending on size and strength.