Subjects / lessons / sources

Knowledge base

A place to connect what I’m learning. Explore a subject, follow its relationships, find its sources, or work through a practical lesson.

01 / HEALTH

Health, in context.

Metabolism, nutrition, sleep, movement, and the connections between them. A searchable subject map with links to original videos and available English transcripts.

16 fields165 topics5,105 indexed videos
Explore health

Guitar lessons

Guitar Foundations 15 min

The scale that hides inside your chords

A first guitar lesson on the C major scale, open-position fretboard notes, chord tones, and quick recall quizzes.

Open lesson
Guitar Key of C 15 min

The chord family hiding in your scale

Build the six workhorse chords in C major, compare them on guitar and piano, and practice a real pop progression.

Open lesson