I've filled out the relevant information for these releases, if someone wouldn't mind adding them:
Date: 25 December 1993
Developer: ISCO
Publisher: Atlus
Release Type: Official Release
Platform: PC Engine
Region: Japan
Needs Linked:
https://vgmdb.net/album/19527
Sound: 'YMOH.S' (Hitoshi Sakimoto), 'N. MIKAMI' (Naoko Mikami) - Credit screengab
https://i.imgur.com/qe8aUoN.png from
http://raido.moe/staff/pce/pce_shin_megami_tensei.html
Date: 25 February 1994
Developer/Publisher: SIMS CO., LTD.
Release Type: Official Release
Platform: Sega Mega-CD
Region: Japan
Needs Linked:
https://vgmdb.net/album/7448 (is currently linked to the general release but this is the Sega CD version specifically)
Music Arranger: Keisuke Nishino, Masamitsu Shindoh
Voice: Hikaru Midorikawa - from
https://i.imgur.com/O9LayK2.png via
https://www.youtube.com/watch?v=qtkINeeGilY