Half Step
Music Theory
The smallest interval in Western music, the distance between adjacent keys on a piano.
More Music Theory Terms
Accidental
A symbol (sharp, flat, or natural) that alters the pitch of a note from its standard value in the key signature.
Arpeggio
The notes of a chord played in succession rather than simultaneously, creating a harp-like effect.
Bar
A segment of music defined by a given number of beats, separated by vertical bar lines on a staff.
Beat
The basic unit of time in music, the pulse that listeners tap their feet to.
Cadence
A sequence of chords that brings a phrase or piece to a close, creating a sense of resolution.
Chord
Three or more notes sounded together in harmony.