Lightroom's tone controls are powerful, well-designed tools, but to take advantage of that power you have to understand how they work. For example, did you know that all the Basic Panel Tone sliders are image-adaptive - that is, they change their behavior based on the image content? This video explains the most important image-adaptive behaviors: the automatic highlight recovery, and the automatic black point adjustment.
The complete, 44-minute video about Lightroom's Tone Controls is included in my Landscapes in Lightroom ebook and video package. Find out more at: