[En] Incidental compositions of the versatile German artist Kurt Schindler (1882-1935), like most of his work, show the symbiosis of musical styles of this child prodigy trained with the best musicians in Berlin. He left his promising career as composer and conductor of the Munich opera for exile in New York, starting again as founder and conductor of the Schola Cantorum. Although he is well-known by his posthumous Iberian popular songbook (1941). But a few incidental music scores for ballet and music theatre remain unpublished today, as Ceremonia turque. Marche et ballet. Through his epistolary we?ve discovered he was the composer for the very famous Spanish musical film Nobleza baturra (1935). Through the analysis of his handwritten incidental music and the musical numbers of that Spanish film we can go further the profile of this composer; his outline as musicologist with studies on the Spanish music of medieval and renaissance age or his role as ethnomusicologist with the big amount of field work recollections on popular music songs and photos is now completed as incidental music composer. The aim of this paper is to show to researchers his unkown compositions for ballet and musical films and to find a place among the composers of music and image of the first decades of the 20th century.