Led Zeppelin - Since I've Been Loving You (July 1973) Madison Square Garden
http://www.youtube.com/watch?v=uHRdRVTDdP0&feature=related
Working from seven to eleven every night
It really makes life a drag, I don't think that's right
I've really, been the best, the best of fools
I did what I could, yeah
'Cause I love you, baby
How I love you, darling
How I love you, baby
How I love you, girl, little girl
Baby, since I've been loving you, yeah
I'm about to lose my worried mind, oh yeah
Everybody trying to tell me
That you didn't mean me no good
I've been trying, Lord, let me tell you
Let me tell you I really did the best I could