Sara Bareilles builds upon the charismatic wit and wisdom imparted by “Love Song” on the new single, “King of Anything,” a sharp elbow to the ribs of all the know-it-alls she’s met since entering the music business. Bareilles opens up her piano-based pop to include instruments like the hammer dulcimer, the ukulele, and guitar to produce a layered and intimate view inside her heart, circa 2010.