For more community-led advice on this specific style, producers often discuss techniques on forums like Reddit's MakingHipHop specific list of effects to apply to your 808s to get that "SGP burp" sound? HOW TO MAKE A SPACEGHOSTPURRP (SGP) TYPE BEAT
If SGP refers to a different entity in your context (e.g., a sample library, a software instrument), please clarify, and I will revise accordingly. sgp drum kit work