TOO MANY good songs!!
Christian:
Backslidin' Blues - Petra (although I like their 80s stuff much better)
Beulah Land - Oak Ridge Boys
Do Lord - Phil Keaggy
Father's Eyes - Amy Grant
I Just Can't Help Believing - BJ Thomas
I'll Be There - Sandi Patti
Mary Don't You Weep - Aretha Franklin
Old Man's Rubble - Imperials
Secular: (but they all have great messages, imho)
Bridge Over Troubled Water - Simon & Garfunkel
Carry On Wayward Son - Kansas
Come Sail Away - Styx
Dust in the Wind - Kansas
Have You Ever Seen the Rain - Creedence Clearwater Revival
Lean On Me - Bill Withers
Message in a Bottle - The Police
More Than a Feeling - Boston
Still the One - Orleans
Sweet Home Alabama - Lynyrd Skynyrd
Tears of a Clown - Smokey Robinson
Wheel in the Sky - Journey (anything Journey is my favorite, really; they're my favorite secular band)