Links that you can find more about Javascript
https://gist.github.com/bmarchete/9fbd7f38c6121bfc9f708fd8ab3a51df
https://gist.github.com/bmarchete/4007ee63c587ef1055c279881c799db2
https://codepen.io/bmarchete/pen/baGRdw
https://codepen.io/bmarchete/pen/LeYLEq
https://codepen.io/bmarchete/pen/aVPQgX
lyricsovh.docs.apiary.io