What three things do you need to have an improvisation?

How is a suspension construction made? where is it most commonly used?

Which of these pieces best illustrates the use of variety over unity? leonardo da vinci, study of human proportion: the vitruvian man laylah ali's untitled louise lawler's pollock and tureen auguste rodin's the three shades?

Often in bluegrass the mandolin chords are so staccato they sound like drum beats arpeggios bass lines melodies