Today (Martin Luther King Day) finally saw  the  long over due opening of the National Museum of African American Music   (NMAAM )  in Nashville.  What might have been a star studded gala night was reduced to an official ribbon cutting and presentation of a $1million donation from Amazon . It opens to the public next week.  The NMAAM (commonly pronounced Nyaam)  is a visual and aural celebration of  the history and achievement of Black American music. Visitors begin their journey in the Roo