https://musiclab.chromeexperiments.com/Song-Maker/song/6191978078928896
https://musiclab.chromeexperiments.com/Song-Maker/song/5258855732346880
https://musiclab.chromeexperiments.com/Song-Maker/song/5046093555040256
https://musiclab.chromeexperiments.com/Song-Maker/song/4863544123850752
music of life ( 2 ) <not finished>