One B&W conversion technique I used frequently in PS was to create two H/S layers, convert the first layer to 'color', desaturate the second layer, then go back to the first and play with the Hue slider to see the effect of various "color filters." John Shaw taught this and I find it quite useful.
I know in LR how to play with individual color sliders, but I'm wondering if there is a way to do something similar in LR, i.e. globally play with the hue for a similar affect as opposed to having to change each individual color to see the affect. I think this would be valuable for finding a starting point, then go into each color for fine-tuning.
I'm hoping someone says, "Sure that's easy, just do this...."