When you typing in insertion mode, vim-piano play piano sound
It works only on MacVim.
If you don't have a preferred installation method, one option is to install pathogen.vim, and then copy and paste:
cd ~/.vim/bundle
git clone https://github.com/MJ111/vim-piano.git
Press <F8> to toggle piano sound
To remap the default toggle key
let g:togglePianoKey="<F7>"
