Songs for intense listening

Hello to all of you,
I would like to know your favourite tracks not only for pure pleasure but also for system evaluation.
Those of your most familiar songs that helps you to recognize that the essence is full & the feeling is right.
My most valuable but pleasant test songs are :
Group(A)-Most nessessary:
1). Joni Mitchell- Troubled Child/Court & Spark
2). Julie Cruise- Falling?The World Spins
3). Cat Stevens- Hard Hearted Woman/Wild World
4). CSN&Y- Carry On
Group(B)-Just to confirm:
5). Marrianne Faithful- Crazy Love
6). Non Credo- Tell Me
7). Elton John- Goodbye Yellow Brickroad
8). This Mortal Coil- You & Your Sister
Group(C)-Final check:
9). Dead Can Dance- The Unbiquitous Mr Lovegrove
10). Jimi Hendrix- Freedom/Easy Rider/Hey Joe
11). Nigel Kennedy- Autumn Regrets
12). Camel- Nimrodel/The procession/The White Rider
13). Genesis- Firth Of Fifth
14). Lou Reed- Goodnight Ladies
Thank you very much for your patience
I'm sorry for all those plain & popular "top of the pops" list, but I like to be honest to all of you: THIS IS WHAT I LIKE!
These are not my favourite songs, but for evaluation are the most pleasant for my taste.
I'm looking forward for yours

George