From FAQ

26. Can I notate slurs in Band-in-a-Box?

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Slurs are notes of different pitches that are played legato, without separation. The slur symbol is a curved line, similar to the tie symbol, except that it connects two notes of different pitches. The two notes are both played, unlike a tied note. To accomplish a slur in Band-in-a-Box, change the duration of the note so that it just overlaps with the following note. Band-in-a-Box 2005 and earlier do not support the entry of slur symbols. Version 2006 and higher DO support the entry of slur symbols. To insert a slur, right-click on the note in editable notation mode, point to 'Notation Symbols', and select 'Slur'. This will open the Notation Event dialog which allows you to define the properties of your slur.


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