Imo there's a good chance that all of those are songs that were recorded given how nowadays we know at least half of the songs on the list include vocals in some form.
She's Not A Girl - Recorded
Tomboy - Full Vocals
Buffalo Bill - Recorded, uncertain if it has full vocals or chorus vocals with a guide vocal
Al Capone - Full Vocals
WALWTG - Full Vocals
Who Do You Know - Full Vocals
Crack Kills - Full Vocals
Free - Partially Full Vocals
Fly Away - Full Vocals
Little Susie - Full Vocals
Red Eye - Instrumental but not to say there isn't a version with vocals made after the track was copyright registered, similarly with Tomboy
SPYHO - Full Vocals
DYKWYCA - Full Vocals
Cheater - Full Vocals
LNFSG - Full Vocals
Alright Now - Recorded
Scared Of The Moon - Full Vocals
Neverland Landing - Full Vocals
What's Your Life - Recorded with Jermaine
Chicago 1945 - Full Vocals
Make Or Break - Scratch Vocals
Turning Me Off - Scratch Vocals
Sunset Driver - Full Vocals
Far, Far, Away - Either chorus vocals or scratch vocals