Loads and saves json data from/to fs
var quiet = require('quiet')
var songsDb = quiet('./songs.json')
console.log(songsDb.file) // abs path
songsDb.once('load', function(){
// file loaded
var songsData = songsDb.data
console.log(songsData) // parsed obj
// ...
}).load()
// ...
songsData.list.push({ id: 77 })
songsDb.once('save', function(){
// file saved
}).save()