UPDATE (11 February 2024): Eleven years later, I’m now a parent who’s about seven years behind on practicing. I’ve lost my facility with altissimo, but am working on regaining it. In the meantime, two observations: Experiment with adding a G# pinky key for these fingerings. Per a post over on Everything Saxophone, this definitely helps with getting the tone clearer and the pitch easier to play and more stable on the 3rd octave G, and may help with more, too. On my (Antigua BS3220) bari, I find that the G# pinky key helps so much that altissimo G comes out even …
Altissimo Chart for Yamaha YTS-32 Tenor Saxophone