@sugihidemitsu I've had a plastic piston guide on 3 of my trumpets and never had a problem with either one of them. Unless your a careless person who does not know how to oil and keep valves clean, I think the valves guides are fine.
@ManuelDRodriguez
12 жыл бұрын
Nice how is that trumpet player jamming? Very nice!!
@trumpetrumept
12 жыл бұрын
Piston Guide....Plastic ? What a pity !
@shamslife9182
Жыл бұрын
He is a wonderful MASTER why don’t you praise him first before making criticism ?? ❤
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