For Heritage Learners, the CSWR offers many audio files of New Mexican Spanish speakers. I'm happy to help you, or you can contact the CSWR directly. Check out these collections:
Enrique Lamadrid Collection of Folk Songs, Oral Histories and Photographic Projects
Edwin Berry Oral History Interviews and Songs
Garland Bills and Neddy Vigil New Mexico-Colorado Spanish Survey Records
Hermandad de Nuestro Padre de Jesus Semana Santa Songbooks
Juan S. Lucero and Lora L. Chavez Collection of New Mexico Hispanic Religious and Traditional Songs