[lblack00]

Great instructional video. First place I learned E natural minor with his scale fragments section.

Yes, not a new technique by any stretch of the means. AFAIK John Petrucci takes a less aggressive approach with raising BPM. Funnily, Shawn Lane goes into a very similar methodology >30 years ago[1].

[1]: https://youtu.be/dpLDN1QCkQM?t=112