R.C.When did you become aware of your vocation as a composer?
I.S.I do not remember when and how I first thought of myself as a composer. All I remember is that these thoughts started very early in my childhood, long before any serious musical study.
R.C.The musical idea: when do you recognize it as an idea?
I.S.When something in my nature is satisfied by some aspect of an auditive shape. But long before ideas are born I begin work by relating intervals rhythmically. This exploration of possibilities is always conducted at the piano. Only after I have established my melodic or harmonic relationships do I pass to composition. Composition is a later expansion and organization of material.
R.C.Is it always clear in your mind from the inception of the idea what form of composition will develop? And the idea itself: is it clear what instrumental sound will produce it?
I.S.You should not suppose that once the musical idea