Suggestion: PINE64 "MP3" Player?

[unilock]

I don't think there's really a need for one.

I'll admit there's not much need for yet another portable media player these days, especially given the prominence of smartphones. Still, it would be nice to have this niche filled with... something modern, maybe? Something open and hackable?
I guess something that simply meets my needs... call me conceited. XP

I mean, all an MP3 player needs to do is putting music in your ears wherever you go, so I don't really see a point in putting a full Linux distribution on it or something fancy like that.

I agree. Some sort of embedded OS (RTOS?), like what's found on the PineTime, would be far better suited for this sort of thing. Or Rockbox, of course.

Before MP3 players we had portable CD players, had the exact same purpose, but were only significantly bigger due to the size of discs.
Literally nobody is using portable CD players anymore.

I feel like that's a bit of an unfair comparison; sure, nobody is using portable CD players anymore, but digital media (MP3, etc.) is still popular, as are NAND and microSD cards. Then again, all those have been combined into smartphones, so your point is reinforced - there's no longer much of a point in a dedicated PMP. But, with that mindset, what's the point of e.g. the PineCom? (Not sure of your opinion on that. In a vacuum, at least, my point still stands.)

When I think of Rockbox on Digital Audio Players it's typically a compact unit, rechargeable battery, storage for music files, LCD screen, controls, headphone jack and high-res music. I am not sure how a device for bluetooth devices (headphones, speakers etc) really fits the specifications. I can see how Rockbox got "cold feet" and might be quite confused trying to match RES2300 with what they expected.

Nevermind the fact that, AFAIK, Rockbox has no Bluetooth subsystem built-in.
(I thought "RockBox community seems cool feet" meant that Rockbox (collectively) was "cool with it," but them having "cold feet" makes more sense...)