I have always found that music is very inspirational. Here I have listed some of those that I find the most inspire me, starting with, of course, my theme song.
Search for the Hero - M People
Reach - S Club 7
Hero - Mariah Carey
Proud - Heather Small
Affirmation - Savage Garden
Put A Little Love In Your Heart - Annie Lennox and Al Green
(Something Inside) So Strong - Labi Siffre
Wonderful World - Louis Armstrong
Walking On Sunshine - Katrina & The Waves
Love Is A Wonderful Thing - Michael Bolton
Another Day In Paradise - Phil Collins
Fantasy Island - M People
With A Little Help From My Friends - Wet Wet Wet
Greatest Love Of All - George Benson
I hope that some of these may provide some inspiration to others.