By Ken Franckling With the University of North Texas in the midst of celebrating the 75th year of its storied jazz program, this latest release from its premier ensemble puts a fine stamp on its strongest attributes. They are the undergrad and graduate-level musicians who blend their talents as players, composers, and arrangers, whether digging into their own material or that of other contributors. LAB 2021 blends a contemporary feel with a robust big-band sensibility. It opens with trumpeter Austin Ford’s sprightly arrangement of the Howard Arlen chestnut “It’s Only a Paper Moon,” featuring S…