Maleah, that is great! I'm so happy that you like all those songs!
Here are some more 'deep' tracks that I recommend:
The King Must Die (Elton John)
Salvation (Honky Chateau)
Texan Love Song (Don't Shoot Me...)
Harmony (GYBR)
Sweet Painted Lady (GYBR)
Ticking (Caribou)
Better Off Dead (Captain Fantastic)
American Triangle (West Coast)
Legal Boys (Jump Up)
One More Arrow (Too Low For Zero)