Not really any help but wouldn't it drive you mad watching vids of people covering your work and knowing they were all wrong. How do Pino, JJ etc resist making a definitive lesson and potentially having a very lucrative youtube channel?
Excuse my ignorance, but why is it so unusual to see bands using two basses?
I was watching the video of XTC playing "King for a day" on David Letterman (three guitars and two basses) which got me thinking?