Jazz StandardsRhythm Changes A Rhythm Changes 0 Share Facebook Twitter Google+ Pinterest Before you start... Download our free eGuide "Learn Jazz Standards The Smart Way" and make sure you are setting yourself up for success! Send it to me! This is A Rhythm Changes, an uncommon key to play, but a great exercise for improvisation. Practice another key Leave a Comment Cancel reply This site uses Akismet to reduce spam. Learn how your comment data is processed.