Glassheart
... that Leona Lewis and Ryan Tedder decided to write the up-tempo song "Glassheart" as Lewis was experiencing personal issues and thought a ballad would upset her further?
... that <a href="./Leona_Lewis" id="mwAd4" rel="mw:WikiLink" title="Leona Lewis">Leona Lewis</a> and <a href="./Ryan_Tedder" id="mwAd8" rel="mw:WikiLink" title="Ryan Tedder">Ryan Tedder</a> decided to write the up-tempo song "<b id="mwAeA"><a href="./Glassheart_(song)" id="mwAeE" rel="mw:WikiLink" title="Glassheart (song)">Glassheart</a></b>" as Lewis was experiencing personal issues and thought a ballad would upset her further?