To add all the Virtual-Playing-Orchestra Instruments to the PG Sforzando Library Menu,
open C:\Program Files\PG Music Inc\Band-in-a-Box Sounds\
Band-in-a-Box Sounds.bank.xml in a text editor or
https://notepad-plus-plus.org/add your instruments to the menu data (see example below). Create a backup first of Band-in-a-Box Sounds.bank.xml.bak
in Mac Library/Application Support/PG Music Inc/Band-in-a-Box Sounds/
Extract the to Win C:\Program Files\PG Music Inc\Band-in-a-Box Sounds\Programs\Virtual-Playing-Orchestra2, in Mac Library/Application Support/PG Music Inc/Band-in-a-Box Sounds/Programs/Virtual-Playing-Orchestra2
example of just a few: Add the instruments under <!-- Virtual-Playing-Orchestra2 --> (see pic below: Add Here)
<!-- Virtual-Playing-Orchestra2 -->
<AriaProgram name="Virtual-Playing-Orchestra2/Brass/all-brass-SEC-normal-mod-wheel" gui="GUI/Generic.xml"> <AriaElement path="Programs/Virtual-Playing-Orchestra2/Brass/all-brass-SEC-normal-mod-wheel.sfz"/> </AriaProgram>
<AriaProgram name="Virtual-Playing-Orchestra2/Brass/french-horn-SEC-accent" gui="GUI/Generic.xml"> <AriaElement path="Programs/Virtual-Playing-Orchestra2/Brass/french-horn-SEC-accent.sfz"/> </AriaProgram>
<AriaProgram name="Virtual-Playing-Orchestra2/Brass/trombone-SEC-accent" gui="GUI/Generic.xml"> <AriaElement path="Programs/Virtual-Playing-Orchestra2/Brass/trombone-SEC-accent.sfz"/> </AriaProgram>
Instead of C:\Program Files\PG Music Inc\Band-in-a-Box Sounds\Programs\Virtual-Playing-Orchestra2 you can change the link to the Steinberg Vsti folder if you prefer: path=C:\Program Files\Steinberg\VstPlugins\Virtual-Playing-Orchestra2