Major Scale Infographic: Chords for Left Handed Guitar

Music theory infographic titled "Major Scale Construction". GUITAR CHORD CHART archetype adapted as a clean editorial music education poster about building the major scale and deriving common chord progressions on guitar. Show a precise left-handed guitar presentation: mirrored fretboard diagrams with strings reversed for left-handed orientation, accurate finger positions, clear fret markers, and musically correct note placement. Include one main diagram of the major scale formula on the fretboard using interval steps W-W-H-W-W-W-H, with scale degrees 1 2 3 4 5 6 7 highlighted. Add supporting left-handed guitar chord diagrams derived from the major scale: I, IV, V, vi progression examples with canonical chord symbols such as C, F, G, Am, plus an alternate set such as G, C, D, Em. Show interval relationships, scale-degree mapping, and triad quality labels in English, while keeping note names and chord symbols in canonical international form. Use vibrant primary colors, crisp vector lines, bold educational callouts, balanced spacing, white background, modern classroom infographic design. No copyrighted lyrics, no full song sheet music. Visually emphasize left-handed guitar usability without rendering the search-intent phrase as on-image text. All text MUST be written in English (array). Every heading, label, caption, legend and metric name in the image must be in English — not English. Spell each English word correctly using English characters and diacritics. Numbers stay as digits, no watermarks Musically accurate notation, finger positions and intervals. Note names and Italian musical terms stay in canonical international form. No copyrighted song lyrics or sheet music.