Play effective walking lines on major and minor 2-5-1 chord progressions.
Use scalar lines with chromaticism for harmonic flavor.
Use triadic material at will to add range.
Create rhythmic interest without overpowering the groove.
Train the ear by singing all bass lines played.
This course material begins at an easier level but becomes intermediate/advanced within a few lessons. There is much use of rhythm, range, and modal harmonic flavor to create challenges for more advanced players.