Here's a Mac app creation guide using WineBottle http://winebottler.kronenberg.org/ :

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Get PowerTracks here http://www.pgmusic.com/powertracks.htm
Get WineBottle here http://winebottler.kronenberg.org/
1. Run WineBottle.app
2. In Advanced select the downloaded powertracks.exe and Install it but don't run yet.
3. Use the settings in the pics.
4. Move the created PowerTracks.app to you Application folder.
5. Run PowereTracks.app
6. Select Midi & Audio Devices.

Update:

In WineBottle give the Identifier a name like com.pg.powertracks as it goes
in User/Application Support/com.pg.powertracks.

To get your BB track into PowerTracks Export then then give the a simple name like Drums, Fiddle etc..

You can save files to User/Application Support/com.pg.powertracks/drive_c/pt/songs, as PowerTracks will open in the pt folder.

1. Save your BB song again as song-powertracks.SGU then after save rename to MGU.

2. PowerTracks File > Open song-powertracks.MGU (this will give your chords).

3. Now select the first track > File > Import > Bass.WAV, next track Drums.WAV etc..

4. You can Import the RealCharts Midi as well, in RealTrack Prefs check Save RealCharts in Midi file/BB Song MGU

5. File > Save Special > Midi > File on Disk.

6. PowerTracks File > Import song-powertracks.MID ** Don't import Chord from the Midi file !!!

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Thanks except PowerTracks costs $49USA

Yeah, plus you have to download it onto your Mac which does not support any windows software.

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The pic above is running on my Mac.

PowerTracks2017.app on Mac
Watch https://www.dropbox.com/s/dpwggz4h8ndwaeq/PT-Mac.mp4?dl=0
Download https://www.dropbox.com/s/dpwggz4h8ndwaeq/PT-Mac.mp4?dl=1

You can put Win VSTPlugins in the pt folder then add vst plugin in the rack drop down:

Thanks for the trouble to post this..
Will the converted Powertracks run reasonably bug free?

Pierre

Re: http://www.pgmusic.com/forums/ubbthreads.php?ubb=showflat&Number=458544

If you just need backing drums you can use a midi file for Bublé's version of "Sway", you can also use http://www.powerdrumkit.com/ it is free for Win or Mac.
You can also use it in Reaper https://www.reaper.fm/ that is free to try and try...

Nice tip, Pipeline! It looks similar to EZDrummer.

Ron