What if you wanted a single audio device to play eight different songs simultaneously, with each song being piped to its own speaker?

Installed python 3.9.4 - but I had the same problem when I was running 3.7 that came with the OS (playing the wave file example). I can use aplay on the RPi to play a sound wave no problem (no delay) ...

But when I opened another application like Spotify that play music (It is just opened but it doesn't play anything) and then tried to play a sound, it doesn't work anymore. Even if I closed Spotify it ...