Bass Videos Kala U-Bass Day at Musicians Institute with Stu Hamm, Abraham Laboriel, and Bakithi Kumalo Published 11 years ago on December 1, 2012 By Valery Amador Kala U-Bass Day at Musicians Institute with Stu Hamm, Abraham Laboriel, and Bakithi Kumalo… Related Topics:Abraham LaborielBakithi KumaloKalaMusicians InstituteStu Hamm