@andre_carl has helped me out quite a bit. You’ll find most are more than willing to share their experience and have a world of knowledge.
From what I’ve read on the forums, members have had success with both Adelaide Hoodless and Winnipeg parks as seed parents. Winnipeg is a descendant of Adelaide Hoodless. So if they are healthy for you then go for it.
Andre had a beautiful seedling out of Adelaide Hoodless x Night Owl:
Ploidy is not something to stress about only because it is unpredictable.
I think it is good enough to know the ploidy the roses you’re crossing or the general ploidy of its type. A generalization is here:
Get a membership with HelpMeFind.com if you don’t have one already. It will help you find lineage of roses and determine what may be a good parent or produce what you are looking for.
Love Song (Carruth or Fisher) has few descendants registered in HMF. But in every case it is only used as Pollen Parent in those registered descendants so it may be worth a shot to try it that way.