There´s a lot of available outtakes from these years - I don´t think I´ve heard all...many are unfinished or even jams.
But, which are the best unreleased songs (not alternates)? Studio recordings.
Here are my favourites at the moment (not including Keith solo):
Cellophane Trousers (early Too Tough?) Claudine (long and short versions!) Everlasting Is My Love Fiji Jim I Need You My First Plea Let´s Go Steady Again Jah Is Not Dead We Had It All
A Different Kind, Do You Think I Really Care and Tallahassee Lassie should be on the list, IMO; and also the instrumental version of Still In Love.....from "Goin Mad & Wild" bootleg
The ones I listed are the only ones I have or have heard with exception to some of the Dirty Work outtakes. So I have very little to draw on. Regardless, those SG leftovers are fantastic and I wished they'd finished those instead of doing a cover or some of that other silly shit (Send It To Me) or boring shit (Respectable).
Quote Silver Dagger Act Together (by The Stones) Claudine We Had It All Everlasting Is My Love Love Is Strong with Keith singing (much better IMO)
The Keith "Love is Strong" version - agreed; so much better. Way ,more swing to it. Although the finaL Jagger version is one of their best late day trax.