Downloading Cadenza 2.0.6 for Mac from the developer's website was possible when we last checked. We cannot confirm if there is a free download of this app available. The actual developer of this free Mac application is Sonation, Inc. Cadenza for Mac is included in Education Tools. The most popular version of the program is 2.0. Cadenza is suitable for Mac OS X 10.7 or later. We recommend checking the downloaded files with any free antivirus.
From the developer:
Cadenza is a music accompanying app that enables you to play the world’s greatest masterworks with a real orchestra listening and responding to your style. Cadenza is the first and only app that listens to you, anticipates how you’re going to play and accompanies you in real time. Play Bach, Beethoven, Bruch, Brahms, Mozart, Haydn, Tchaikovsky, Vivaldi and more.
Just pick up your instrument and play.
You may want to check out more software for Mac, such as Cadenza: Music, Betrayal and Death, which might be related to Cadenza.