I have a hard time getting the trombone to stay together because I can't get the thumbscrew to stay secured. What can I do?
Md Ariful Islam
বিএসসি(সিএসই)
,
এমবিএ(মার্কেটিং)
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Dr. Md Rushad Rahman
এমবিবিএস(আরপিএমসি)
,
পিজিটি(মেডিসিন)
Make sure you're tying it tightly and if that doesn't work, take it to your teacher or to a nearby instrument shop.
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