For me it was definitely the man in pewter city who took you to the library and gym. The music was awesome :D Now you only get remnants of the original song usually at the start of the game like in cherrygrove with the running shoes guy.
Diamond FC: 0604 2296 8947
White FC: 3696 9376 9252
Didn't sort out my thread, I may have what you want though so ask.