I'm looking for an old rock song that has lyrics something like...."...Love is kinda' crazy with a (pretty little) girl like you...then goes into a great guitar instrumental...."
What's the name of the song and recorded by who?

I know a song that goes--Love is kinda crazy with a spooky little girl like you--Spooky if this is the song you're thinking of then it's by The Atlanta Rhytym Section
In the cool of the evening
When everything is gettin kind of groovy
I call you up and ask you if you
Would you like to go with me and see a movie
First you say no, you've got some plans for the night
And then you stop, and say, all right
Love is kinda crazy with a spooky little girl like you

You always keep me guessin
I never seem to know what you are thinkin
And if a fella looks at you
It's for sure your little eye will be a-winkin
I get confused, cause I don't know where I stand
And then you smile, and hold my hand
Love is kinda crazy with a spooky little girl like you
Spooky

If you decide someday to stop this little game that you are playin
I'm gonna tell you all what my heart's been a-dyin to be sayin
Just like a ghost, you've been a-hauntin my dreams
So I'll propose on Halloween
Love is kinda crazy with a spooky little girl like you

Spooky, spooky, oh whoa, all right
Spooky, oh yea yea
I said Spooky yea yea

It's called Spooky by Classics IV.

The song was originally performed over a decade earlier (in 1967) by The Classics IV.

http://www.youtube.com/watch?v=AvNf0zJz2iA for Dusty Springfield's popular version of this song.

One wonderful musician who sang "Spooky" was Dusty Springfield on her 1968 album.

"Spooky Little Girl Like You" by the Zombies. I believe it goes into a sax instrumental though--not guitar.

In the cool of the evening
When everything is gettin kind of groovy
I call you up
And ask you if you want to go with me and see a movie
First you say no, you've got some plans for the night
And then you stop, and say, all right
Love is kinda crazy with a spooky little girl like you

I think it's Santana, I can here it in my head right now ... DANG YOU ... I'll never get it out now!!!!