שירים יפים אם משמעות מאחורי המילים?

http://www.youtube.com/watch?v=xjpuu1yk5z8

let her go passenger

christina aguilera - beautiful
pink-try
rihanna - russian roulette
rihana-half of me
david guetta titanium
justin timberlake - mirrors
kelly clarkson - stronger (what doesn't kill you)
christina aguilera - can't hold us down
beyonce-run the world
lady gaga- bor this way
demi lovato skyscraper
pink- dont let me get me
pink- nobody knows

pumped up kicks
broken jaw
helena beat
waste
chin music for the unsuspecting hero
houdini -שיר מושלם

tool-aenema