The cuatro is a Visayan string instrument with four strings. It is similar to a guitar and is commonly used in traditional Visayan music.

The Latin American Cuarto instrument is part of the guitar or lute family, although it is smaller than a traditional guitar. This four stringed instrument is from Trinidad and Tobago in South America.

The Cuatro is the national musical instrument of Puerto Rico. The Cuatro belongs to the guitar or lute family but is smaller than a guitar. It is a fretted stringed instrument with a hollow body, derived from the Spanish tiple and other stringed instruments, made from carved wood with strings (ten, in five sets of two) of leather strips or dried animal gut.

Cuarenta mil cuatro cientos cuatro. As individual numbers, cuatro cero cuatro cero cuatro.

The Cuatro is the national musical instrument of Puerto Rico. The Cuatro belongs to the guitar or lute family but is smaller than a guitar. It is a fretted stringed instrument with a hollow body, derived from the Spanish tiple and other stringed instruments, made from carved wood with strings (ten, in five sets of two) of leather strips or dried animal gut.