I ended up watching this Geddy Lee of Rush made about bass players & one episode was about Kris from Nirvana which was so cool & another was about Canadian bassist Melissa Maur who played bass for Hole & Smashing Pumpkins
That you sleep in bus or van full of gear, eat like only fast food or take out , playing shows over & over having to hear your songs over & over then there's all the partying & hanging out after shows