In this unit you can find information about  intervals and their classifications according to position and also ascending-descending, conjunct-disjunct, melodic-harmonic, simple-compound. Unison. Chords, triad, Major chord and minor chord. 8a notation and arpeggio marking. The focus will be on semiquavers with the notes seen in previous units and especial attention to high E and F. Click on the READING MUSIC, Basic concepts, UNIT 7 image to watch the video with the music theory.