Given the ubiquity these days of performers whose acts seem to rely as much (or more) on technology as on talent, fans of genres like Americana can be forgiven for fretting that fretboards could soon wind up on the endangered species list.
Also: The National, Key Wilde & Mr. Clarke, Audra McDonald, “Women of Brazil,” and more. Plus: notable historical items from the Rolling Stones, Primus, and Captain Beyond.