Back in the early days of the computer game industry, the music, as well as everything else, had to be painstakingly programmed in by hand. Getting the music to sound anything like a real tune was hard enough, but getting the instruments to sound anywhere near authentic was almost impossible.
It is nice to know from their Facebook site, that Affinity Designer got Apple Design Award at WWDC15. Affinity Designer is a new drawing and effect program for OSX. They are really challenging Adobe and the creators behind Pixelmator. Nice to see some real competition now! And congratulations for Affinity.