See how notes become tunes and chords create musical color.
Melody is a sequence of pitches heard as a musical line. Harmony describes notes sounding together or interacting across time. Different musical traditions use different tuning systems, scales, and ideas about consonance.




Pitch is how high or low a sound seems.
Learn MoreMusical notation gives names and symbols to selected pitches.
Learn MoreA scale is an ordered set of pitches.
Learn MoreMelody combines pitch with rhythm.
Learn MoreChords are groups of notes heard together.
Learn MoreA key establishes a tonal center and a set of relationships.
Learn MoreHarmony often creates expectation and resolution.
Learn MoreHarmony is not universal in one form.
Learn MoreIt relates mainly to vibration frequency, though musical perception is more complex than frequency alone.
Western notation uses letter names and staff positions, while other cultures use different systems.
Major and minor scales are common in Western music, but pentatonic, modal, raga, maqam, and many other systems organize pitch differently.
Repeated motives, steps, leaps, contour, and phrasing help listeners recognize a tune.
Triads and seventh chords are common in many Western styles, but harmony can be organized in many other ways.
Music can move between keys through modulation.
Composers can delay or avoid resolution to create surprise or emotion.
Some musical traditions emphasize melody, rhythm, timbre, drones, or layered lines more than chord progressions.