Songs with excellent advice?

RUSH - Freewill

You can choose a ready guide in some celestial voice.

If you choose not to decide, you still have made a choice.

You can choose from phantom fears and kindness that can kill.

I will choose a path that's clear.
I will choose freewill

The Isolation of Mister by John Mellencamp.

"Take It As It Comes" - The Doors

"Let's Live for Today - The Grass Roots

"Think For a Minute" - The Housemartins

"Any Major Dude" - Steely Dan

The Beat(en) Generation" - The The

"Montana" - Frank Zappa

Shirley Horn "Here's to life"

The Rolling Stones "You can't always get what you want" 

R.E.M. "Everybody Hurts"

Kansas "Dust in the wind"

Journey "Don't stop believin"

Bobby McFerrin "Don't worry, be happy"

Stephen Stills "Love the one you're with"

One Bourbon,One Shot,One Beer  -George Thorogood and the Destroyers.