Melodic ornamentation. Notes of approach (notes that precede the melody note): angles, lines, curves; stepwise, gapped, encircling, zigzag, & curved shapes; many egs
Why do it? To create a more free, conversational tone (less rigid), to intensify or dissipate energy, to create forward movement, to push ahead, to lead toward or away from a climax. Goal: acquire more rhythmic flexibility when improvising.