Cue JARVIS discovering he likes singing I think...

Hey, you know there are Karaoke bars on the internet, right? Places like VR chat have them... and since everyone there uses an avatar, no-one would know JARVIS is any different.

Think about it a moment, he could mix & mingle with humans, and they'd have no reason to think he wasn't one of them, which perversely means he could just be himself. [speaking from experience, personality quirks are more the norm.]