Artist Kathleen Darby takes viewers through her step-by-step process of drawing a colorful bird on black paper. Start at the beginning for more details. It's interesting as well as relaxing, as there are some important differences when starting from negative space.
This is part of a genre on YouTube with some very cool works:
Here's a nice live stream of a sketch in progress:
• How to Draw with Colored Pencils on Black Paper: TIPS and WALKTHROUGH (YouTube / Kathleen Darby)