"The new [Mariachitlán] orchestration brings the score to splendid life.”

"Contreras’s writing feels fun and serious, fractured and coherent, modern and traditional."

"A composer who has revolutionized classical music."

“Contreras blends classical contemporary music with Mexican popular music, using clear ideas and extremely defined emotions.”

"Ángel Mestizo is a rhythmically rich and colorfully Mexican harp concerto."

“Contreras follows the steps of Moncayo and Revueltas"

"Mariachitlán is the New Huapango"