I've tried many approaches. I'm used to learning skills I find difficult and putting in the effort. Apart from sports requiring good balance skills (skateboarding, skating) and things beyond my physique (I'm endurance not sprint) sight-reading is the one thing I really can't crack, even with formal lessons. I understand the theory, it's just the note positions mean nothing to me, I believe my condition is termed dysmusia and has nothing to do with pitch skills (I don't't have perfect pitch, but I can whistle an A or a C within a few tens of cents).