[3] He later he worked as a critic, teacher, and choir and orchestra conductor; he also was director of the National Conservatory of Music in Quito.
For example, he replaced the classical symphonic pattern (Allegro - Larghetto - Allegretto Scherzo - Allegro Vivace) with a sequence of Ecuadorian folk dances: Luis Humberto Salgado was the leading figure of his generation.
As early as 1944, he wrote Sanjuanito Futurista for piano, using the rhythm of a traditional Ecuadorian dance within the dodecaphonic writing style.
He was in his early forties when he started experimenting with new techniques but was not acknowledged as a modernist until later in his life.
Souvenir de l'Amérique du Sud (CD) (piano, Marcelo Ortiz, works by: Gerardo Guevara, Sixto María Durán and Miguel Ángel Casares)