Here’s a video I just found – a 50 minute clip of the Chilli Peppers live. It gives you a chance to see what Flea’s up to on the bass guitar and is reasonably contemporary (from the tail end of 2011).
If you’re not registered for the free members area featuring song tutorials, sight reading etudes and more…here’s where to do it: https://how-to-play-bass.com/register/free-bass-lessons1
If you’re a bass beginner….check out the only 6 things you should be practicing: https://how-to-play-bass.com/htpb50-6-things-practice
….and how you can too!
More here: https://how-to-play-bass.com/mccartney-bass