dörtlük nota

• (bkz: dörtlük)
• birlik notanın dörtte biri; yani bir vuruştur.
• budur:
  _______________z_
  _______________z_
  _______________z_
  _______________z_
  _______________z_
  _______________z_
  _______________z_
  _______________z_
  _______________z_
  ______zbbbz___z_
  ___zbbbbbbbz_z_
  _zbbbbbbbbbbz_
  ___zbbbbbbbz___
  ______zbbbz______