is a symbol in western musical notation
indicating that the notes it embraces are to be played legato
(smoothly). In music for boweded string instruments
, it indicates the notes should be played in one bow; in music for wind instruments
, that the notes should be played in one breath. In vocal music, slurs are usually used to mark notes which are sung to a single syllable.
A slur is denoted with a curved line generally placed over the notes if the stems point downward, and under them if the stems point upwards:
A similar symbol is used to indicate ties, which join notes of the same pitch.