41.83Mini-composition exercise

Write 24 bars with only one main bass root: B♭.

Requirements:

• one two-bar bass riff
• one chromatic passing tone
• one minor-pentatonic section
• one Dorian section
• one suspended upper-structure section
• one bass breakdown
• one unison climax
• only one F7→B♭m functional cadence
• final B♭m6/9

If it sounds like a complete composition, you have mastered the main lesson.