How should take the the response when a musician plays in only one key.?

Question: How should take the the response when a musician plays in only one key!.!?
Best Answer - Chosen by Asker:

I'm not sure what your question is!. Maybe that's the only key he knows or it's possible he's transposing into that key because a key on his instrument is damaged and he has to work around it!.Www@QuestionHome@Com