Accordion video tutorial with 17 rhythm patterns for the left hand (bass & chords): [0:05] Musette Waltz; [0:30] Rock; [0:55] Gospel; [1:23] Langsamer Waltz; [1:43] Viennese Waltz; [2:05] Country; [2:32] Latin Rock; [2:54] Jive; [3:30] Tango; [4:04] ...