Whose performance did Scott Shetler parallel " More grounded " to ?
" Slant " Magazine 's Sal Cinquemani called " California King Bed " a " slushy acoustic ballad whose clever metaphor is all but suffocated beneath the song 's cheesy production choices " Andy Gill of " The Independent " , gave a positive review for the song saying that it contained Rihanna 's best vocal performance to date .