The link below leads to a Google Colab notebook that randomly generates musical structures for improvisation practice and composition, components of a larger project I’m working on called the Musical Schema Generator
HOW TO USE:
Click the link below. Press the play icons to generate material. Please leave comments or requests!
I’ve made a PDF (see below) that lists all of these possibilities within the classical (Mozart, Haydn, Beethoven, etc.) orchestra; it’s helped spark my imagination, and also as a prompt for inner-ear “visualization” exercises.
Take a look at the lists and imagine (hear in your head) what music made from these groups would sound like – its density, timbre, etc.
The Greek composer Vangelis said in a 2008 interview that the classical orchestra was the first synthesizer. Mozart, particularly in the later symphonies (after #25) and piano concertos (starting with #17), uses a great number of the possible instrumental combinations, mixing colors with gradient, chiaroscuro, transparency, and opacity, across the full sound spectrum.
I’ve used parentheses to indicate the possibility of employing solo instruments or divisi within sections; take these into account and the true number of instrumental combinations becomes astronomical.