A, D and SPACE, if you want to exit, in the levels with piano try E.X.I.T and here you go, pretty simple concept. Wanted to make something different from "love for the people". 

(Preview)Lovely Piano is in the same time part of my "Indoor" game and an entry to 

Major Jam 2: Love

128x128: https://lospec.com/i/1riz

Due to my schedule i had only 1 day to create something in this theme.