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...

She gives off an air of seriousness and composure when singing, but her performance belies the depth of feeling she channels. A new song by the French singer and songwriter Naya, named "Vaguémo," has been released recently. The song is about melancholy and being on one's alone. She has a distinctive style—dream pop—and a voice like velvet, so smooth and alluring it captivates as she expertly...