Howdy troops! This is a general inquiry as to your approach to getting sound and tone depending on the layout of pickups you have in your basses. Maybe this has relevance in the Live Sound section, but I'm more or less focused on the use of one or more pickups here. Times have changed along with my point of view I guess. Back when I first got my Jazz, I suppose my attitude was that this thing has two pickups so I should use them both wide open... and I did. Love that tone forever - my passive Jazz is a parts bass with humbucking DiMarzio Ultra J's. Later on I came across a '79 MM Sabre which I've also played out on some occasions. That thing is an absolute diesel, but my approach was also the same early on; two pickups on board, so play them both together. The latest addition is a P/J 4-string with active EMG's. The first time I played out with this bass and solo'ed the neck (P) pickup, my guitar player actually asked me to turn down. Maybe this was the turning point. Suddenly I appreciated how much phase cancellation can suppress or mellow down my tone when two pickups are blended together, at least sometimes. So now I'm finding that I pretty much like to play my basses running only one pickup. Unless I want a slappy tone from my Jazz, I solo the neck pickup for a sorta-kinda P sound. My Sabre is Godzilla big with the neck solo'ed and also fun with the bridge solo'ed and the lows bumped. That P/J mostly runs "full P". Va-voom!! Interesting how my take on pickup use has evolved and I can't help but wonder whether you cats have gone through your own evolution with your own gear. Feel free to offer any of your own revelations.