First song is by Sheena Easton ... it is in no way profound whatsoever, but the mood reminds me of the optimism of the early 80’s... now everyone is pessimistic!
https://youtu.be/S_3vZYOYNYU
Second song is a classic by the carpenters ... I have no factoids for this song!
https://youtu.be/_PMgmgDq2Fo
The third song is also a classic, dubbed by the singer as “a study in unconscious cruelty”
https://youtu.be/rNB8AKMdqiQ