Will changing from a 5B to a 7C mouthpiece on my trumpet make much a difference?

I'm still really new to the trumpet, and I am renting a trumpet from a local music store. It came with a Bach 5B mouthpiece. In band I see everyone else with a 7C, and i've heard that a 5B is for intermediate to advanced. Would changing to a 7C make too much of a difference? Will I be able to play higher notes? (and if so, would it be significantly higher?)



ThanksWill changing from a 5B to a 7C mouthpiece on my trumpet make much a difference?You might want to ask this in a section about music. :)

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