Painting a Still Life Video from YouTube

This artist is phenomenal.  It's interesting to see different approaches to painting.  Grab a cup of tea or coffee and enjoy this video:

Mixing Paint Technique Video from YouTube

I was searching the Internet for information on creating underpaintings.  I came across this interesting video on YouTube.  I was more intrigued with the technique he uses for mixing colors with a palette knife.  Check it out:    

I prefer to mix my own black from the primary colors that I use in a painting.  I can see how useful and easy it is to have a tube of black handy for a quick mix.