The track is a "send"—a diss track—rooted in the Blackpool grime scene . Reviewers often describe it as an "incomprehensible diss track" characterized by a heavy, "banging" bassline and a repetitive, infectious mini-chorus.
"M to the B" (also known as "Soph Aspin Send") is a viral grime track by Blackpool rapper that became a global cultural phenomenon through TikTok. Critical Review & Context M to the B
The track's massive fame is largely attributed to influencer Bella Poarch , whose 2020 lip-sync video became the most-liked clip in TikTok history at the time, garnering over 60 million likes . The track is a "send"—a diss track—rooted in