1. Without you by Harry Nilsson was written by Pete Ham and Tom Evans
2. Bette Davis eyes by Kim Carnes was written by Donna Weiss and Jackie DeShannon
3. Hanging on the telephone by Blondie was written by Jack Lee
4. Girls just wanna have fun by Cyndi Lauper was written by Robert Hazard
5. Got my mind set on you by George Harrison was written by Rudy Clark
6. I write the songs by Barry Manilow was written by Bruce Johnston
7. Nobody does it better by Carly Simon was written by Marvin Hamlisch and Carole Bayer Sager.
8. Dazed and confused by Led Zeppelin was written by Jake Holmes
9. Morning has broken by Cat Stevens was written by Eleanor Farjeon usinga traditional tune
10. Nothing compares to you by Sinead O'Connor was written by Prince
Bonhoeffer uses a similar phrase 'worldly Christianity'. It's J Gresham Machen that I want to line up most closely with. See his Christianity and culture here. Having done commentaries on Proverbs (Heavenly Wisdom) and Song of Songs (Heavenly Love), a matching title for Ecclesiastes would be Heavenly Worldliness. For my stance on worldliness, see 3 posts here.