Piano Chords Chart Tutorial 1. What Are Chords? A chord is when you play two or more notes together. Most chords are built on three notes (triads): Root 3rd 5th. --- 2. Major Chords (Happy Sound) Formula: 1 3 5 C Major → C – E – G D Major → D – F# – A E Major → E – G# – B F Major → F – A – C G Major → G – B – D A Major → A – C# – E B Major → B – D# – F# --- 3. Minor Chords (Sad Sound) Formula: 1 b3 5 C Minor → C – Eb – G D Minor → D – F – A E Minor → E – G – B F Minor → F – Ab – C G Minor → G –