Christina Cala

With a reverence for classics and an experimental spirit, Kelsey Lu is broadening the scope of how strings fit into contemporary pop. Lu's debut album, Blood, out now, is a mash-up of disco, R&B, pop and more that's rooted in her adoration of strings.

Kanye West has been rapping about God from early in his career, hearkening back to one of his first hits, "Jesus Walks" off his debut album, 2004's The College Dropout.

Thutmose is the name of an ancient Egyptian pharaoh, but it's also the stage name of Nigerian-born rapper and songwriter Umar Ibrahim. After immigrating with his family to Brooklyn, N.Y. at the age of 8, Thutmose grew up caught between the America he was experiencing and the America he imagined. "The hip-hop, the R&B, the aggressiveness of New York City, the diversity — it was such a culture shock and I was a rather quiet kid," Thutmose says.

At 22 years old, Tamino possesses a voice that carries the hypnotic, immediate power of something much more ancient. Born Tamino Moharam Fouad and named after a prince in Mozart's The Magic Flute, the Belgian-Egyptian artist explores his heritage by combining his own sound with Arabic influences of his Lebanese and Egyptian ancestors. Tamino's debut album, Amir, out now, melds together the artist's eccentric vocal style with Arab musical theory.

One young woman is walking to find work so she can send money back to Venezuela for a nephew who has leukemia.

Another is traveling with four of her five kids, in search of food for her family.

As another family hikes along, the husband walks ahead to hide his tears from his children.

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