In the Czech musical landscape, particularly in my native Brno, Janáček's Sinfonietta stands as an iconic masterpiece. Its melodies and harmonies echo throughout society, recognised and embraced by many. While its opening fanfares have become an essential part of ceremonial state events, it is the music itself that truly defines its significance. The Sinfonietta is, in every sense, contagious, and I believe no listener can remain untouched by its energy.

Janáček's Sinfonietta occupies a unique and vital place in his oeuvre. It is a mature creation and a ‘classic’ among his works. Reflecting Janáček's fully realised, now thoroughly developed style, it marks a profound milestone in his artistic evolution. The book by Nigel Simeone and Jiří Zahrádka that you are opening is the first in any language completely devoted to the Sin¬fonietta, and the depth of the authors’ understanding of this work makes it an invaluable wellspring for readers around the world. Rich with sources, correspondence and a detailed history of its performances, it offers rare insights that cannot be found elsewhere.

I was certainly not alone in finding my way to ‘classical’ music through the stirring tones of this piece. The Sinfonietta offers myriad ideals for how one might first approach classical music: it is fresh, concise, profoundly original, sonically brilliant – brimming with contrasts – yet deeply reflective of Janáček's lifetime of experience. It is youthful and invigorating, whether heard in a live performance or in recorded form. Janáček was the first of the ‘old’ composers to infuse his music with the pulse of life that today's audi¬ences long for: the captivating, mobilising energy that sweeps you along, but at the same time, also the tenderness that touches the most sensitive of souls. While Janáček's critics sometimes dismissed this as primitivism, others, more attuned to the essence of its expressive power, recognised it as realism, or even a kind of democratisation of music.