In any case, here's a list of my favorite intro and ending songs.
Rurouni Kenshin - pick any
Cowboy Bebop - opening (???)
Love Hina - opening (Sakura Saku)
Chobits - Opening (Let Me Be With You - one of my favorite songs ever)
Inuyasha - Endings (Fukai Mori; Every Heart)
Ai Yori Aoshi - Opening (???)
Just the ones I can think of. No youtube videos because I don't have sound please, anyone with knowledge of MIDI help me!