The other suggestion:
Key commands Hotkeys for “QWERTY” heyboard
A lot of my clients here in LOS ANGELES pro audio (producers / composers) use keyboards on their iPAD Pro’s hitting the space bar to start / stop and other functionality is crucial.
Yes you have external MIDI support, however you have to add the track and select no instrument … and so on… I am speaking about a one step process and you have the ‘external midi Inst’ in the list.
MIDI Plugins are in reference to scale/chords (internal and external) for each track.
I was referring to Inst plugins that when you ADD an Inst, you get a different Inst than what you want and have to back track through 3 screens to be able to select Audio Units and or IAA Insts.