Sullivan Guitar Lesson & Piano Lesson in San Carlos, San Diego, teaches guitar, piano, ukulele, and bass to students age six and older from a studio at 7183 Navajo Road, Suite C, in the 92119 ZIP, directly adjacent to the Cowles Mountain trailhead corridor. The studio currently serves more than 40 weekly students, the majority of them children and teens from the San Carlos and Del Cerro neighborhoods who attend lessons after school in 30-, 45-, or 60-minute sessions. Instruction covers proper technique, note reading, and applied music theory, with song selection driven by each student's musical interests rather than a rigid method-book sequence. The Navajo Road location places the studio within the same after-school enrichment corridor as academic support programs including Mathnasium in Grantville, and San Carlos families frequently schedule music and tutoring sessions in the same afternoon block. Online lessons via Zoom extend the studio's reach beyond the immediate neighborhood, accommodating students who travel, those with scheduling conflicts, and families in surrounding communities who prefer virtual instruction. The curriculum integrates ear training alongside sight reading, so students develop the ability to learn songs by listening as well as from notation — a dual-skill approach that prepares them for both ensemble playing and solo performance. San Carlos parents building multi-activity schedules for their children pair music lessons with physical enrichment at Safe Swim Academy in the same part of the 92119 ZIP. The studio's lesson structure starts each new guitarist on single-note melodies and open-chord shapes before advancing to barre chords, fingerpicking patterns, and genre-specific techniques across rock, folk, classical, and pop repertoire.