It's just called 'Neji's Theme'. It's not on any of the official Naruto Soundtracks so you normally have to find it seperatly. Check related link.
sadness and sorrow
It's tenten's theme song you can look it up on Youtube ^^
Hi! :) I have looked for that aswell for weeks! and I found out that there is no actual name for it, and that it is just called Neji Theme song, or TenTen Theme song, which ever one you prefer! Neji's Theme song is faster than TenTen's :) Hope this helps! :)
it's called Sakura's theme
Childhood Memories Theme
Hail to the Victors It was our high school fight song that is why I know
The song mentioned is Technologic by Daft Punk
The Victors
The 7th Naruto opening is called "Namikaze Satilite" by Snorkel. Hope I helped! :-P
Pac Life Fight Song
That would be Naruto episodes 87-104.