unknown disco tracks

Can someone help me ID these tracks?

1
https://www.youtube.com/watch?v=bU0e9Thobfs

2
https://www.youtube.com/watch?v=5BiVRNUsoPc

1. Nadine Expert - It's Up to You
2. ––––– " ––––– - All The Good Byes
Both songs are from same album https://www.discogs.com/de/Nadine-Ex.../master/145273

Thanks a lot for your help!