Thank you all again very much for this thread.
I recently bought a Yahama PSR sx900 and it has this beautiful Armenian/Azerbaijani instrument voice called “Duduk”.
I want to record only an 18-bar solo with this instrument onto an already finished Garageband Project.
Whenever I use the USB-Lightning cable, Garageband sees my yamaha as a midi-keyboard and offers its own voices.
But, Garageband Midi-instruments do not have this "Duduk"- voice.
Do you know, How can I simply plug my keyboard in, record it as an "audio-track" in Garageband for Ipad?