mozilla-b2g/gaia — pull request #2455 by dominickuo (2012-07-16 12:25:32+00:00)
Title: Intergrate Media.js and MetadataParser to Music app.

1) Add and use Media.js which gallery uses.
2) Add MetadataParser.js.
3) Add SubList view to display songs in Artist, Album and All Songs.
4) Enable the tab buttons to navigate from page to page.