Understanding is simple. Knowing is complicated.
Quiet is the absence of sound. Silence is the presence of silence.
Use your ears to record and your eyes to video.
According to USA today, the average length of an attention span of a man in America is 23 minutes.
And if you are playing in several meters at once, there has to be a - not a rigid - but there definitely has to be a reference to a common pulse in the band.
I recommend my students not to be professional unless they really have to be. I tell them, 'If you love music, sell Hoovers or be a plumber. Do something useful with your life.'