More instruments

[ewrruewc]

Clarinets - hornet on flute

Pitched drums - timpani, and the melodic percussion

Sustaining flute - dude just put reverb and pseudosustain

adding custom sound effects is a no due to copyright concerns

[Saucie]

A proper synth bass

You mean like this synth bass? https://youtu.be/FD9Je-ZF9vw?t=210

[SourOnionPringles]

Yeah, sorta like that.