The 4D Accompanist App

This week's app is the 4D Accompanist app:

4D Accompanist (https://www.4dpianoapp.com/) Access to 1750+ high quality accompaniments in the tempo, key, and instrumentation of choice; includes arias, art songs, vocalises, sonatas, concerti, Suzuki repertoire, and more; available in 175 countries and regions; high quality tracks played by world class pianists; use AirDrop and Share features to import a custom track in MIDI, MUSICXML, or other formats; stream via FaceTime Share My Screen option in a group call; change speed and transposition of playback instantly; pause at a fermata and jump ahead in a recitative and cadenza; listen back to a chord being detected in realtime; switch between harpsichord, guitar, organ, and piano seamlessly; bookmark favorite speed and spot; subscribe to flexible plans for unlimited usage; visit 4D resource for additional file format compatibility, such as the experimental audio to midi converter for WAV/MP3 to MIDI, and the 4D Jam that records in JSON format; (iOS 15.0 or later).