Jachet of Mantua (c. 1510-1574) was a Franco-Flemish composer whose career spanned the Renaissance transition from the High Renaissance to the Late Renaissance. Active primarily in Italy, he served in various ducal chapels and became known for his skillful polyphonic writing and his ability to set sacred texts with both technical sophistication and emotional depth. His works were widely distributed across Europe during his lifetime, establishing him as a significant figure in mid-16th-century sacred music.
Jachet's compositional approach combined Northern European counterpoint with the emerging Italian sensibility for text expression. His motets, including O Vos Omnes, demonstrate the careful balance between structural clarity and expressive harmonic language that defined the mature Renaissance motet. Music educators value his work for its accessibility combined with genuine compositional craft.