These are all the Bryan Loren tracks that are known I think:
Superfly Sister
Mind Is The Magic
Work That Body
Serious Effect
She Got It
Man In Black
Do The Bartman
Deep In The Night
The Verdict (1991)
The Verdict (1994)
The Verdict (Bass & Synth)
Dream Girl - Instrumental
Family Thing - More complete version of Family Thing (first produced by Teddy Riley) with Bryan rapping the verses
Stay - Registered at ASCAP
https://www.ascap.com/repertory#/ace/search/workID/882265220
To Satisfy You - Rejected demo for Dangerous which Bryan reused as a song of his own. A solo version with MJ isn't known to exist
Son Of Thriller - Remix which includes excerpts of Thriller, DSTYGE, WBSS, and Billie Jean
Garbage - Instrumental. Bryan says it's the track that inspired Teddy Riley to get his sound for the Dangerous album. Used to be at an early configuration of Dangerous. Runtime of approximately 3 minutes
Serious Moonlight - Rejected Writer's Demo
Seven Digits (1991) - Scratch Vocals. Runtime of 2:56 minutes
Seven Digits (1997) - Likely that it's essentially the same as the 1991 version but with further instrumentation done for inclusion on the BOTDF album
Don't Believe It - Scratch Vocals. Runtime of 5:46 minutes
All The Truth - MJ sings the BGVs while Bryan raps the verses. Runtime of 5:02 minutes
Truth About Youth - Unrelated to 'All The Truth'. LL Cool J performs the parts MJ was supposed to sing
Bubbles - Instrumental. Runtime of 1:30 minutes
Homeless Bound - Experimental track which includes samples with homeless people giving testimonials while Bryan plays the keys. There's another version without the samples that was recently played at a seminar in Bucharest
Call It Off - MJ sings the hook while Bryan Loren performs the verses. The lyrics MJ sings is "Call it off, call the whole thing off. I don't want to marry you."