Beegie Adair, who was one of the busiest unbusy studio and lounge pianists in Nashville who recorded more than 100 albums, died on January 23. She was 84. Unbusy, because Beegie (born Bobbe Gorin Long) played simply with a straight-ahead style, adding a dash of jazz along the way. While not widely known outside of Nashville studio circles and among those who fancy the cocktail-piano sound, Beegie preferred playing the standards people liked to hear with a modicum of flourish and pinache…