Though jazz piano has had legions of practitioners, the number of first-class jazz singers is small, due to the difficulty of turning melody and lyrics into true improvisation.

ECONOMIST: Old friends are the best friends

Adapting her talents to the demand of her customers, Judi reshaped her class and incorporated jazz technique into easy-to-follow routines that focused more on getting students active and losing weight than on learning complex dance moves.

FORBES: Step 2 for a Successful Startup: Identify, Utilize, and Develop your Talents or Skills

Those are among the challenges addressed by the second class of the three-year-old Jazz Composers Orchestra Institute, which connects composers working primarily in jazz with symphony orchestras to seek a deepened context for such collaboration.

WSJ: Where Classical Music and Jazz Collaborate | By Larry Blumenfeld

David Romanelli, a New York-based yoga instructor, led a class this summer in Colorado that was accompanied, live, by the jazz-fusion musician Stanley Jordan.

WSJ: Fitness Instructors are the New DJs

An intelligent and rather overcivilized caper movie, set in Montreal, which features three generations of great male actors: Marlon Brando (sounding like his long-ago nemesis Truman Capote) as an upper-class aesthete and fence with exquisite manners, Robert De Niro as a saturnine jazz-club owner and safecracker who never takes risks, and Edward Norton as a brilliant but willful young con man and criminal.

NEWYORKER: The Score