For high notes you will want a much more shallow mouthpiece which sacrifices tone and control to gain range and require less endurance

The 1c has a wider cup size than the Bach 3c that I switched from, so I find the 1c offers a more free blowing sound, more tone control, and a wider dynamic range

I prefer a good tone, a large control of dynamic range and projection, and a control of tuning; all of which this Bach 1c mouthpiece is good for