I used to have a NORD LEAD keyboard that was much beloved. And a multi-track recording facility. In favor of a lighter existence, I divested of much of that gear. I've been making heavy use of GarageBand for audio projects (mostly audio for video) but hadn't really replaced the Nord in any practical sense. One day I saw that Korg had released an iPad app emulation of a classic 70s analog synthesizer. Not only is it inexpensive, it also works exactly like the original. It was just what I needed to get back into synthesis.