ELVIS COSTELLO Kojak Variety (War-ner Bros.) On this oddball selection of covers, only a few cuts (e.g., Dyl-an's "I Threw It All Away") make sense for Costello's bristly idiosyncratic vocalizing. Despite being a great songwriter, he's never going to outsing Little Richard, as his geeky version of "Bama Lama Bama Loo" makes clear. B- --Dimitri Ehrlich