4 letter word puzzle from the Rock Band puzzler?!

Question: 4 letter word puzzle from the Rock Band puzzler!?

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note: original meaning of word

hint: "America" band!Www@Enter-QA@Com

Answers:

this doesnt fit but the america band part makes me think grand funk railroadWww@Enter-QA@Com

AsiaWww@Enter-QA@Com

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