Many thanks,
Meryl

You’re right. We don’t want to constantly focus on our posture. That sounds pretty awful. Alexander spoke of ‘use of the self’, which goes beyond posture, and goes beyond the body. Just the word posture usually implies rigidity, which is exactly what we don’t want with the Alexander Technique. Also, the Technique is not just about the body; it is about the mind/body. Alexander described it as psycho/physical.
We also don’t give our attention to our body only when we’re in pain. The Alexander Technique and it’s principles are something you apply to your life whenever you think about them.
I think the way to approach this is when you’re meditating; meditate, when you’re playing music; play music. You can certainly apply the principles as you approach your pillow, or the floor, or a chair or a rock or the bandstand or whatever. If you periodically think about the Technique it will creep in to your daily life, and you can do anything with more ease. The AT could help when you’re meditating and when you’re not, which means… all the time.