Eugene KURTZ (1923-2006). Autograph music manuscript signed, Etude in Tangotime, 1983-1984; 12 sheets 35 x 27 cm. Concert piece for piano, written in memory of Louis Moreau Gottschalk (1829-1869). It has 68 bars and begins Animato con bravura. It is dated at the top "Dec. 83-Jan. 84". The manuscript is carefully written in black pencil on tracing paper with generally 3 systems of 4 staves per page.