Perhaps you might like to try the larger recorders? If you still want to play descant fingerings, maybe get a tenor? I come to recorder from a fairly hard set up on clarinet, soI know what you are going through on descant and alto. But now that I’m pretty much exclusive playing record, those air pressure problems are sorting themselves out. Also, you can practice air speed even without the record, imagining yourself exhaling ‘warm air’ like you were making smoke rings from an invisible cigarette. So a hoo or doo sound not tu