#clef  a musical notation written on a staff indicating the pitch of the notes following it
  supertype:  #musical_notation__musicalnotation  a notation used by musicians
  subtype:  #treble_clef__G_clef  a clef that puts the G above middle C on the second line of a staff
  subtype:  #bass_clef__F_clef  a clef that puts the F below middle C on the fourth line of a staff
  subtype:  #alto_clef__viola_clef__violaclef  a clef that puts middle C on the third line of a staff
  subtype:  #C_clef  a movable clef that puts middle C on one of the lines of a staff
  subtype:  #soprano_clef__sopranoclef  a clef that puts middle C on the bottom line of the staff
  subtype:  #tenor_clef__tenorclef  a clef that puts middle C on the fourth line of the staff; used for writing music for bassoons or cellos or tenor horns

No statement uses or specializes #clef; click here to add one.