var player = require('play-sound')(opts = {})

// $ mplayer foo.mp3 
player.play('foo.mp3', function(err){
  if (err) throw err
})

// { timeout: 300 } will be passed to child process
player.play('foo.mp3', { timeout: 300 }, function(err){
  if (err) throw err
})

// configure arguments for executable if any
player.play('foo.mp3', { afplay: ['-v', 1 ] /* lower volume for afplay on OSX */ }, function(err){
  if (err) throw err
})

// access the node child_process in case you need to kill it on demand
var audio = player.play('foo.mp3', function(err){
  if (err && !err.killed) throw err
})
audio.kill()