JASON:
I am going to go ahead and have my peice and say what MY opinion is ..... I don't think it will offend anyone but who knows, it is just an opinion.
I think that if you like to play the harmonica, guitar, or whatever, you should be able to do. What you do in your personal life with God and living as a Christian will be evident if the situation arises, but playing in a bar or club shouldn't have any jurisdiction on YOU. You are obviously capable of going into many situations that are perhaps hazardous to your faith, but isnt that what God calls a "test of faith" ? I dont think that where you play or to whom, but what YOU do in your actions will show the person you are trying to be and answer your calling at the same time. You CAN reach those who won't just wander into stand from the bars and clubs (like i did) and who knows what can happen. but personally, I think if it is what you want to do, and it doesnt break any of God's laws, then you SHOULD do it. AND GOOD LUCK AT IT !
I may be able to make it out there and see if you are any good one night. See if you are as good a harmonical player as you are an egg player !!!
WALK ON AND MARCH TO THE TUNE OF GOD DAWG !
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If at first you don't succeed, try and try again ...
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-Knowledge and human power are synonymous; since the ignorance of the cause frustrates the effect- Francis Bacon (my senior quote)