Sabbath remix is a car crash (5-2)

Guardian 30112 · Brockwell · 5 across · charade

SMASH-UP

A charade of S (‘Sabbath’) plus MASH-UP (‘remix’)

Parse via PeterO

Download the file, then drag it from your Downloads folder onto YouTube Studio. You cannot drag from this page.

YouTube title for @crypticfitCryptic Croc · cryptic.fit · Sabbath remix is a car crash (5-2) #Shorts

YouTube description

Cryptic Croc on cryptic.fit.
Solve it, I know you can.
https://cryptic.fit
#CrypticCroc #crypticfit #crypticcrossword #shorts

The poster is the unsolved clue. Do not upload a frame that shows the answer.