Who are the popular Jpop bands in Japan?

Question:

I mean, who's like, performing on tv right now, and who are in general, just popular.
Boy bands and girl bands, please :)

Answer:

popular bands in Japan right now and their songs

Mr.Children -
Seesaw game
http://www.youtube.com/watch?v=uLnGtJYv1…
Namonakishi
http://www.youtube.com/watch?v=5dGbNGH8L…
Hanabi
http://www.youtube.com/watch?v=2xIyZ8O6v…

SMAP -
Lion heart
http://www.youtube.com/watch?v=y55aGWG09…
Sekai ni hitotsu dake no hana
http://www.youtube.com/watch?v=7W8rHz5Wc…

Hey Say Jump -
Mayonaka no shadow boy
http://www.youtube.com/watch?v=kQdPlqt-x…

Shonanokaze -
Junrenka
http://www.youtube.com/watch?v=tp9Olzugi…

EXILE -
Choo Choo Train
http://www.youtube.com/watch?v=Rs1ynO9x0…

Orange Range -
Ishin Denshin
http://www.youtube.com/watch?v=tD7LYg5gW…