Summary:[]
Drumstep is a fusion and subgenre of Dubstep and Drum and Bass with aspects of Brostep thrown in where the beat structure is half time. Drumstep is often 174 beats-per-minute, but can be as high as 190 or as low as 160.
While being born near the same time as dubstep, it is usually still regarded to as a subgenre of dubstep. It emerged from Drum and Bass in the early 2000's, near 2007.
Examples:[]
https://www.youtube.com/watch?v=AKkKeNtYMTo