Its second half touches on bouncy basslines ("She's Hot"), dubstep-influenced, low-end grind ("Brainwash by London"), and vocal looping similar to the production of Kanye West ("Cold War").

[1] Instrumentals appropriates Casino's previous hip hop beats into moody compositions, which are characterized by melodramatic drum crescendos and melancholic electronic sounds.

[4] In a review for Resident Advisor, Andrew Ryce called Instrumentals "a collection of aching, blown-out paeans to wonder, sadness and profound joy—music that any of the above could fall in love with.

"[2] Sputnikmusic's Conrad Tao felt that, although Instrumentals sounds occasionally conventional, Casino's approach to sampling is "refreshingly abstract".

He went on to write that the mixtape basically serves as "a hugely enticing teaser for what promises to be an illustrious career filled with sumptuous, bittersweet music.