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Andrés Amado

(b ?1846; d 16 Apr 1912). Musician and instrument builder from Quetzaltenango, Guatemala He is credited with the invention in 1894 of the Guatemalan chromatic marimba, also known as marimba de doble teclado (double keyboard marimba), marimba doble (double marimba), or marimba cuache (twin marimba). Before the invention of the marimba doble, musicians added chromatic tones to the diatonic (sencilla) marimba by applying wax to the bars, thus lowering them a semitone. Most sources agree that the Guatemalan composer and band director Julián Paniagua Martínez (1856–1946) envisioned adding a second, chromatic row and exhorted Sebastián Hurtado to implement the idea. In Hurtado’s design, the chromatic and diatonic rows align with each other, that is, the D♭/C♯ bar is not between C and D, but aligned with the D.

Other marimba builders also attempted chromatic designs in the late 19th and early 20th centuries. Manuel López and José Chaequín from Jocotenango, Guatemala, built chromatic marimbas in Guatemala City as early as ...