A chirimía is a type of oboe, a double reed instrument. It is a member of the shawm family of double-reed instruments, introduced to Central and South America in the sixteenth and seventeenth centuries by the Spanish clergy.
Three musicians in a 4-musician ensemble, from left, a violinist, a violinist and a man holding a small vihuela. They are standing in front of an adobe building with a tile roof. The 4th musician, who plays a large vihuela, is not in the photograph.