Charlie Musselwhite’s vocals haven’t sounded this robust and commanding in years. On Look Out Highway, the new album is mostly originals that adhere to tradition but have enough contemporary edge to keep it north of retro. The 13-time Grammy nominee, harmonica master, singer-songwriter, and guitarist has never feared trying something new, as long as threads of tradition remain. Look Out Highway represents the first time he has recorded with his long-time touring band comprised of guitarist Matt Stubbs (GA-20), drummer June Core (Robert Lockwood Jr.) and bassist Randy Burmudes (James Cotton). Musselwhite has had an enduring relationship with Kid Andersen, who has been in and out of his band for years. Andersen participates here…