The ideal answer, perhaps unreasonable, would be as many songs as a patient would have access to using their favorite music streaming service. Are there any secondary developments in an algorithm to transform a song into a MedRhythm Stride usable piece of music?
A practical answer would be low tens of songs depending on how long the an average session would be.
I look forward to seeing this product in action, super interesting stuff!
You state that the best music for this application is the music that the patient enjoys in the comments below. Are you finding existing songs, modifying existing songs, or making your own for this application?
What is a reasonable number of songs your library will contain?