"PaandorasBox? What's that?"

In this sense, it's another flavor of BeepBox! I'm quite familiar with JummBox and the OG BeepBox, but here's something cool about PaandorasBox (other than the fact it's likely a continuation of the original Pandora's BeepBox.): YOU CAN USE CUSTOM SAMPLES!!!

I should note that when using Paandora, there's a message in the top left:

"PAANDORASBOX IS NO LONGER RECIEVING UPDATES - consider using Ultrabox instead"

"Ultrabox? What's that?"

That's another flavor of BeepBox/JummBox which aims to combine all the uniqueness of the different BB/JB flavors and bring them all together under one roof, but that's a flavor I'll learn the ropes of some other time.

Anyways, back on track here, with Paandora, you already have a few custom samples to work with, such as your basic drum instruments like the kick, snare, hi-hat, cymbal crash, but you also got stuff like the Sonic 1 snare, Earthbound's WOW, liver pad, and overdrive guitar famously heard in Megalovania, Tim Allen's grunt, and Sonic 3's COME ON.

Naturally, I was drawn into the custom sample aspect of this flavor. So after listening to a bit of some music from Super Mario Wonder, I came up with this!

Fun fact: The feint arpeggio was inspired by Vim!'s old tracker music, such as "i was marios tash" and "what a bargain!"

(If you played on Sploder years ago you would likely understand what I'm referring to more.)