※ 2시 - 이효재님 - 3beat arpeggio pattern 1~2 ex. - 3beat arpeggio pattern 3 ex. - 숙제 : arpeggio pattern ex. master ※ 3시 - 구정모님 - rock riff ex. : shanghai twist adlib 12bar - major/minor triad - 숙제 : triad & ex. adlib master ※ 4시 - 송현석님 - 4beat stroke rhythm : trot - 4beat stroke rhythm : beguine - 숙제 : ex. rhythm master