I watched a video published by Pitchfork in which Bruner explains that the bass plays the roll somewhere between the melodic, harmonic and rhythmic.
I am not sure if I just do not listen properly, however I appreciate this music a lot more after listening to Bruner unpack the process and perform. On Tiny Desk Concert:
With Mac Miller:
On Jimmy Kimmel
Place between Tame Impala and Squarepusher