Everything was done directly in ZBrush except the pants that were blocked out in MD very quickly. Trying to tweak the model, polypaint, matcaps and zbrush viewport to be as close as a representation of the final result is something worthwhile doing in my opinion, to then render it out is very easy and fast to setup. Being able to achieve the essence of materials and surfaces when seeing from a medium distance is very fun and important. In this way you're not only practicing sculptural forms but also many other artistic sensibilities in digital media.
The video thing is pure exploration and I had a blast experimenting with this... even after listening to this very song 20 thousand times by now hehe

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***Original concept by Russell Dongjun Lu
https://www.artstation.com/ludongjun