WORK IN PROGRESS (nightly 0.9.99-nightly). You are welcome to try it: it is unfinished and changes often, and installing it replaces what is on your FM-1 (“Back to the stock firmware” below puts the original back).
FM-1 HYBRID PIANO

Install FM-1 HYBRID PIANO

www.m-vave.com/download


  

  

  
    
    
  1.  FM-1.fwsc
    2. 
    

    3. 
    
  3. 
  

  

  

  
FM-1 HYBRID PIANO is built on Felucca by Leo Kuroshita (@kurogedelic), Hügelton Instruments,
    by way of X0X and FoMni.

    Fonts: Barlow Semi Condensed (SIL OFL 1.1). M-VAVE and FM-1 are trademarks of their respective owners.

     github.com/FartyPants/fm1-hybrid