Jazz Unlimited for Sunday, January 24 will be “The Keys and Strings Hour + New Music.” Pianist Marian McPartland was a beloved figure in jazz because of her “Piano Jazz” radio program. She will be featured on the “Keys and Strings Hour.” In addition, new music for January will feature a six-CD set from pianist Joe Castro, and new CD’s from Harold Mabern, Marlene Ver Planck, Lew Tabackin, Joshua Redman with the Bad Plus, the Vanguard Jazz Orchestra, Jimmy Cobb’s original Cobb’s Mob, The 14 Jazz Orchestra and a trio of Ralph Alessi, Kris Davis and St. Louis’s own Steve Davis.