Ava Valianti represents something increasingly rare in contemporary music: genuine precocity without artifice. This Massachusetts artist, who is only fifteen years old, handles general themes with a level of emotional depth that is shocking. She shows that youth can bring out the best in complicated human experiences, rather than hiding them. "Distant," her sixth single, functions as a sonic archaeology of friendship's dissolution. The track excavates layers...

Norway's many fjords are responsible for the birth of a celebrity. Ella Lockert, with her boundless vitality and undoubted skill, has always been a force to be reckoned with from the day she was born. Imagine a little Ella illuminating the stage as the smallest Santa possible in the song "Putti Plutti Pott." Add to that her singing in the children's chorus at the Norwegian Opera,...