Bartolomé Pérez Casas

Spanish composer, conductor and arranger Bartolomé Pérez Casas (Lorca, Murcia, 24 January 1873 – Madrid, 15 January 1956).
- Played violin in 1893 in Banda de Música del Regimiento de Infantería “España” n.º 48 and later in Orquesta Titular Del Teatro Real.
- Brass band conductor of Banda Del Real Cuerpo de Guardias Alabarderos from 1897 until he was replaced by Emilio Vega in 1911.
- Founded in 1908 the "Sociedad de Instrumentos de Viento".
- Founder and conductor of Orquesta Filarmónica De Madrid from 1915 to 1936 (other sources says until 1945).
- Orquesta Nacional De España first conductor from 1942 to 1949 then he was replaced by Ataúlfo Argenta.

He was the author, in 1908, of the harmonization of the "Royal March" (Spanish official hymn) in his time by the Banda Del Real Cuerpo de Guardias Alabarderos, which was entrusted to him by King Alfonso XIII. Over time, these arrangements were declared official by means of a Decree-Law of the Presidency of the Government of July 17, 1942, which meant that he and his heirs received arranger rights for the National Hymn until the final acquisition by the State through Royal Decree 1560/1997.