Ex ore tuo = Yerra con poco saber

Composer Cornago, Juan de
Genre Contrafactum
Appears in
E-E MS IV.a.24 (107v—109r)
I-MC 871 (11v—12)

Bibliography

Atkinson, Charles Monte (ed.) 1975-. Recent Researches in the Music of the Middle Ages and Early Renaissance.  Madison, Wisconsin: A-R Editions. pp. (15), (Original).