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In unit 1, you trained to hear each note as if it were a hand-bell, and practiced locking into each to identify it. Unit 2 focused on the tendency of LA FA RE and TI to go to notes of the tonic triad DO MI and SOL. Draw on what you hear in the tendency of LA FA RE and TI and the resolution to DO MI and SOL to help you lock into the sound of each as if they were all handbells. You will build to be able to keep track of every note of the scale. We begin by limiting the set of notes to just DO RE MI FA SOL. An exercise for each note is presented. Practice singing the exercise for the new focus-note every time you start a benchmark.