I, too would suggest having a feedback system.
Although I agree with e
dgeofillusion-jepoy that the board is primarily for music and musicians, I came upon a thread discussing a member (along with the member's band) who was shortchanged by another re: booking in the Middle East and/or and running away with the band's money.
I believe that musicians and artists are so easily taken advantage of. A feedback system may serve as a good warning regarding deals, not just in exchange of goods but most especially with
rendering services for others, especially if money has exchanged hands (caveat emptor!) and trust between members are broken.
After all, forums and boards thrive on the responsible behavior of its members and are mainly based on trust. But for unforeseen and unfortunate circumstances, we should be able to monitor our own ranks.
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The discussion i referred to above can be found
here