4D Accompanist

Pause or skip ahead:
Pause at a fermata! Skip to the next note.

Hear chord reduction:
Listen back to a chord being detected in realtime.

Hear additional timbres:
Compare your piece with various instrumentations.

Speed up or slow down:
Up to 25% to 250% of the original speed.

Transpose:
Up to 12 semitones up or down. When used in conjunction with the loop back function, this is ideal for warmup exercises!

Add a bookmark:
Let the app snap back to your favorite speed or spot.

Open and import music:
This app comes with 1000 tracks without any additional charges. In addition, you can import your personal MIDI or JSON file. JSON files can be generated or recorded through the 4D Piano Hangout, which comes with a low latency rehearsal environment with video chat and lightning fast piano transmission at www.4dpianoapp.com

Ask us:
Contact us any time for any further questions, repertoire suggestions, and custom-made track services, at webcompanist@gmail.com

Disclaimer: All pianists who have kindly contributed to the sample tracks agree to grant app users a perpetual, irrevocable, sublicensable and royalty-free license under all copyrights, trademarks, patents, trade secrets, privacy and publicity rights and other intellectual property rights, to use, exploit, reproduce, make available, edit, distribute, display, exhibit, modify, adapt, photograph, record, create derivative works, and otherwise use and permit others to use their works throughout the universe in any and all media now known or hereafter devised, in all languages and in all versions, without liability, obligation, restriction, condition, compensation, credit or attribution, for any purpose whatsoever.