With each album, Andrea Bocelli and his marketable voice are assured of climbing the classical charts. But this music is better thought of as insistently frictionless world-pop, plus strings. Look to the guests and the song choices for confirmation: Jennifer Lopez and Nelly Furtado help, in turn, with "Quizás Quizás Quizás" and "Corcovado." Other tunes include "Love Me Tender," as well as "Girl from Ipanema" and "September Morn" (titles for the latter two are rendered into Spanish and Italian). Rare is the package that might sell the traversal of languages and cultures as smoothly as this one.