Band-in-a-Box 2015 for Mac includes Mixer Enhancements!
-Mixer "tricks" holding control or shift key to change all tracks at once.
-Mixer auto-opens/closes the Audio panel.

Watch the video clip... https://youtu.be/NvP3DIV69_U?t=24m29s

To learn about all the new features, read the list here: www.pgmusic.com/bbmac.new.htm or view the complete New Features Video: https://youtu.be/NvP3DIV69_U