While I know a fair bit about general use of Poweramp, I've never delved into the black arts of the API and sending Custom Intents. I've just upgraded my Samsung Note phone from KitKat to Marshmallow and so much is no longer the way I want it, or is just plain broken, including using my three-button headset +/- controls for track and album access while the phone is in my pocket. I've found an Xposed Module (PBMC Key Chains) that with a bit of tweaking gets me 90% of the way there, and I can