After World War I Spiller moved with his family to Zagreb, where he studied violin at the Music School of Croatian Music Institute under Vaclav Huml. Spiller graduated in 1930 and soon after his graduation he got a job as a lecturer at the Paris École Normale de Musique.
As a scholar of the French government Spiller perfected his knowledge of education at the École Normale de Musique de Paris, starting in 1928 when he began to study under Gaston Poulet, and continued his study under famous Jacques Thibaud. On Thibaud"s recommendation Spiller played in freshly based chamber orchestra by Alfred Cortot, along with Zino Francescatti and Maurice Vieux. When Francescatti Spiller replaced him place as a concertmaster.
On the eve of the World World War II, Spiller left Europe to escape, as a Jew, the Nazi persecution.
He moved to Buenos Aires where he began his life of a violinist, teacher, conductor and organizer of musical life. He also taught in the discipline in San Carlos de Bariloche, and among his students was the virtuoso and Camerata Bariloche conductor, Alberto Lysy.
Spiller was frequent guest at master classes in Germany, Austria, Switzerland and Croatia. He was, for several consecutive years, a lecturer at Altensteig castle near Stuttgart.
Spiller frequently performed works of Ivan Mane Jarnović, Franjo Dugan, Milko Kelemen, Krsto Odak, Josip Štolcer-Slavenski, Miroslav Šlik and Miroslav Spiller.
Long is a list of Spiller appearances with famous conductors, as well as various soloists with his conducting. Spiller is the author of one of the best violin textbook by which generations of young people study. Spiller died on November 9, 2008, in Buenos Aires.
He was 100 years old.