Wow, this is a rarity. Here is an early demo by Hans Eberbach. This was probably from the early to mid-90s, before his band Sweet Vine was picked up by Sony. This sound like just Hans, a guitar, and a microphone in a rehearsal room. Pretty cool.
From Eddie Jorgensen’s collection

Recorded by: Hans?
Transfer by: Shayne Stacy
Equipment: Nakamichi Dragon and M-Audio Audiophile 2496 card