measure stave a d f g stave 1 rest measure stave 1 rest stave 1/4 a d f g slur starts above first note in first measure in first stave and finishes at fourth unit in second measure in second stave comment: " As you see in the image below, the slur below thinks that it includes units on first stave in second measure, because we did not specify here a unit where it changes its stave. "