Reed,
If you song is MIDI only, think about these two variables :
- What is the tempo of your song ?
- What duration do you want for your last chord ?
So, you need only a hold chord in bar#60, no need of bar#61, and try low tempo values for bar#60. For ex, if you BPM song is 140, try a value of 60 or 50 for the last bar. That is what I often do for the hold chords in the last bar of a song.

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