[Opening — electric guitar rock riff] [Deep melodic bass, tight organic drums] [Strong rhythmic attack, playful attitude] [Lesson demonstration — guitar forward] [Three distinct picked notes] [One long sustained guitar note] [Transition — gradually soften the drums] [Electric guitar sustains its final note] [Cello enters beneath the ringing guitar] [Viola echoes the original guitar melody] [Classical chamber passage] [Acoustic guitar, expressive cello, lyrical viola] [Delicate piano accents] [Retain the original four-note motif] [Gentle flowing articulation] [Closing — intimate spoken narration] [Cello holds warm final note] [Viola resolves softly] [End]
