Rumour that All For One and Beautiful Thing were going to be released as solo tunes, because certain parties in the band thought both songs were shit. Hence the hilariously bad lyrics and childlike melodies, as they only had input from Ian.
Is there a recording somewhere of these tracks with Ian and non-roses musicians on them? It's possible. It would have to be the case if Ian was intending to release them as a Solo artist. The record company wouldn't allow all 4 roses to be on an Ian solo release. It is much more likely that these songs were rush recorded and that the band had to quickly come up with lyrics and artwork and that is why both seem a bit lacking.