Quick electro swing track in Cubasis using iOptigan as a sample source. Create an audio track in Cubasis and set the input to inter app audio / iOptigan. Hit record. Play your part and now you have a loop.
Apps used:
iOptigan https://itunes.apple.com/us/app/ioptigan/id1143470101?mt=8&at=10laUK
Bismark BS16 (drums) https://itunes.apple.com/us/app/bismark-bs-16i/id388149926?mt=8&at=10laUK
Cubasis https://itunes.apple.com/us/app/cubasis-2/id583976519?mt=8&at=10laUK
AUFX:Push (pumping side chain effect) https://itunes.apple.com/us/app/aufx-push/id958106165?mt=8&at=10laUK