Merritt Martin at the Dallas Observer is a wise man. The David Bowie Tribute Show at the Opening Bell Coffee in Dallas inspired him to give some tips to those performers who wish to show their love for David Bowie. He divides the songs into two categories: Songs That Are Not Necessarily Acceptable, But We Acquiesce and Songs You Are Absolutely NOT Allowed to Cover. Just Don’t. Read his advice here. It might save you from regurgitated non-fat vanilla latte stains on your awesome duds.