I-albhamu entsha iqhamuka ku- Akungatshazwa: Gwen Stefani umemezele ukuthi iqembu liku- isitudiyo sokuqopha ngokuhlanganyela nomdidiyeli uSpike Stent (Björk, U2) belungiselela izingoma ezintsha.
UStefani uthe «besilokhu sicabanga kakhulu ngale ndaba futhi manje, ekugcineni, sesihlangene futhi senza izingoma«. Wanezela kulokhu: «Kuyathokozisa ukubuya ngemuva kweminyaka eminingi futhi sesithole ukwesekwa okukhulu kubalandeli bethu".
Kusukela ngo-2001 iqembu alizange lihlele lutho. I-albhamu yakhe yokugcina bekuthi 'Rock Steady'.