If you like R&B, how about Stevie Wonder's "You are the Sunshine of my Life"
http://www.youtube.com/watch?v=5YefKgWdmFk
For all around sentimentality, give this a listen...... "Daddy's Little Girl"
http://www.youtube.com/watch?v=-0g132Ya__s
How about Paul Simon's "Father and Daughter"
http://www.youtube.com/watch?v=AzMh7zHir1I