La guitarra tal y como la conocemos hoy es la heredera del instrumento que ideó Antonio de Torres, constructor almeriense que sentó los cánones y proporciones actuales  . La guitarra es hoy un instrumento polifacético que se usa tanto en la música clásica como en las músicas populares.
The guitarra morisca had a rounded back, wide fingerboard, and several sound holes. The guitarra Latina had a single sound hole and a narrower neck. By the 14th century the qualifiers "moresca" or "morisca" and "latina" had been dropped, and these two chordophones were simply referred to as guitars.
O substantivo guitarra refere-se a uma série de instrumentos de cordas dedilhada, que possuem geralmente de 6 a 12 cordas tensionadas ao longo do instrumento e possuem um corpo com formato aproximado de um 8 (embora também existam em diversos outros formatos), além de um braço, sobre o qual as cordas passam, permitindo ao executante controlar a altura da nota produzida.
An acoustic guitar is a musical instrument in the guitar family. Its strings vibrate a sound board on a resonant body to project a sound wave through the air. The original, general term for this stringed instrument is guitar, and the retronym 'acoustic guitar' distinguishes it from an electric guitar, which relies on electronic amplification.
An electric guitar is a guitar that requires external amplification in order to be heard at typical performance volumes. It uses one or more pickups to convert the vibration of its strings into electrical signals, which ultimately are reproduced as sound by loudspeakers.
A flamenco guitar is a guitar similar to a classical guitar but with thinner tops and less internal bracing. It usually has nylon strings, as opposed to steel. Usually, it has a livelier sound compared to the classical guitar.
The Portuguese guitar or Portuguese guitarra (Portuguese: guitarra portuguesa, pronounced [ɡiˈtaʁɐ puɾtuˈɣezɐ]) is a plucked string instrument with twelve steel strings, strung in six courses of two strings. It is one of the few musical instruments that still uses watch-key or Preston tuners.
An early publication of the work, known as "Estudio para Guitarra" de Rovira was published by J.A. Medina e Hijo in Argentina probably in 1913, or with complete certainty before 1925, when the publisher ceased activities; which is attributed to Spanish guitarist Antonio Rubira.
Guitar Center is an American music retailer chain. It is the largest company of its kind in the United States, with 269 locations. Its headquarters is in Westlake Village, California.
A guitarra clássica possui diversas características em comum com todas as outras guitarras. A principal diferença em relação às outras é o fato de usar cordas de nylon, a cabeça possui carrilhões em vez de cravelhas, o braço é mais largo e o tipo de madeiras usadas.