Mike Wass Michael “Finatik” Mule and Isaac “Zac” De Boni, better known as the production duo FnZ, were scouring YouTube for fresh sounds when a clip from the obscure ’70s horror movie “Invasion of the Bee Girls” caught their attention. They turned a portion of the soundtrack into a spooky sample, which would eventually accompany the viral hook — “21, can you do something for me?” — on Drake and 21 Savage’s “Rich Flex,” which is No. 22 on Variety‘s 2023 Hitmakers Top 25.