Which 20th-century composer and ethnomusicologist collected over 500 traditional folk songs, wrote the iconic 'Estrellita' and extensively researched indigenous musical traditions, including the Aztec teponaztli drum notation?

• A Carlos Chavez
• B Silvestre Revueltas
• C Manuel M. Ponce ✓
• D Jose Pablo Moncayo

Ponce bridged European classical training and folkloric nationalism, and his guitar works were championed by Andres Segovia, bringing folk idioms into the international concert repertoire.