npm install --save speakerbox // --save flag stores reference in package.json

var speakerbox = require('speakerbox');

speakerbox('URL','DOM SELECTOR', 'OPTIONAL SPEAKER', OPTIONAL CALLBACK() );

var speakerbox = require('speakerbox');
// play Radiohead - Fitter Happier
speakerbox('http://songmeanings.com/songs/view/558/','#textblock');