It’s time to mark your calendar and purchase tickets for the Natchitoches Jazz/ R&B Festival on May 910. The festival is family- friendly with free admission for kids under 12. Admission is also free for active military with ID. Friday night only admission is $25; Saturday only is $55; both days is $70; and VIP weekend is $125 for adults and $60 for students with ID. Capacity is limited due…