+A **key signature** is a collection of sharps or flats placed at the beginning of a [Staff](/wiki/staff) in musical notation. It establishes the [Key](/wiki/key) of a composition, indicating which notes are consistently altered, thus streamlining [Notation](/wiki/notation) by minimizing individual accidentals.
+## See also
+- [Accidental](/wiki/accidental)
+- [Scale](/wiki/scale)
+- [Music Theory](/wiki/music_theory)