Selena Gomez's hits have ruled radio, but other songs in her catalog give a more detailed sketch of her pop persona. The sumptuous electro track “A Year Without Rain” divines her path toward dance-floor domination, the bubbly “Write Your Name” gives a future-forward gloss to her romantic longings, and the breezy “Who Says” is a gently hooky anthem for listeners in need of a pick-me-up.