FLStudio and doing all sequencing and arranging on FLStudio only.
However, my Arranger Keyboard also has feature to sequence a song (it has got its own individual 16 tracks). So, if I arrange a song on my hardware ...
FL gives me when I export the project with 'split mixer tracks' on). So I tried exporting the elements one by one; which led to the next issue: when all tracks but the one I want to export are muted ...