I'll take Doc's Offer...
My theme song would have to be "Amazing Grace" by Fanny J. Crosby.
That said, here's some of my favorites (some have already been mentioned)
Magic Carpet Ride
American Woman
Rambling Man
Cocaine
Lay Down Sally
All Along the Watchtower
Cheap Sunglasses
Tush
La Grange
My Head's in Mississippi
The Sky is Crying
Learning to Fly (Tom Petty)
Won't Back Down (Tom Petty)
Thunderstruck
White Room
After Midnight
Payin' the Cost to be the Boss (B. B. King)
The Thrill is Gone (B. B. King)
Mannish Boy (Muddy Waters)
Bad to the Bone
The Girl from Yesterday
Desperado
Love will Keep us Alive
Texas Flood
Black Magic Woman
Oye Como Va
Illustrated Man (Johnny Winter)
Sunglasses at Night
(that song that has the line "Sundown, you better beware/if I find you've been creeping 'round my back stair")
Stand by Me
Unforgettable
I Like my Women a little on the Trashy Side
Dimming of the Day (Bonnie Raitt)
The Boy from Epanema
Stand By Your Man
Help the Poor (B. B. King/Clapton)
Love of my life (Dave Matthews/Santana)
John the Revelator (Phil Keaggy)
(anything sung by Nichole Nordeman)
Love Song (Third Day)
Can't Take the Pain (Third Day)
That's the Short list
HOHN