At the moment, Arashi is the most popular band in Japan.
Statistics:
In 2008, they won #1, #2 and #10 best selling single of the year in Japan and #2 best selling music DVD of the year in Japan.
In 2009, they won #1, #2, #3 and #5 best selling single of the year in Japan, #1 best selling album in Japan, #1 best selling music DVD in Japan and #1 best selling overall artist in Japan. They also 10 awards in Japan's Gold Disc Awards (first artists to do so in history) and other awards.
In 2010 (currently) they are the #1, #2 and #5 best selling single of the year in Japan.
Other popular bands in Japan at the moment are KAT-TUN, AKB48, Tohoshinki, Nishino Kana, Kanjani 8, Hey Say Jump!, NEWS, Ayumi Hamasaki, Perfume, Ikimonogakari, Kimura Kaela, Amuro Namie, etc. Check Oricon Japan's most recent sale updates (there's a daily ranking, weekly ranking, monthly ranking and yearly ranking for albums and singles).
See below links for 2009's most popular Japanese bands.
Any of the J-pop boy bands seem to be very popular in Japan right now.
Yes they are one of the most popular bands in the world. In my opinion they are the greatest band ever!
The most popular sedan in Japan is the Toyota Corolla.
No. Queen is one of the most popular rock bands of all time.
the most popular silly bands are the ones that are multicolored and it doesn't matter what design it is its the hottest silly bands around.
what wahset thore
Rock&pop bands like HIM are popular.
Unlikely. The popularity of bands changes all the time. Older bands such as The Beatles etc., are possibly the most universally popular
The most popular Christmas ornament in Japan is tinsel:)
Yes, the flute can be included in concert bands, jazz bands, and small ensemble groups. Concert bands are most popular, but they are also quite popular in jazz ensembles.
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The most popular flower in Japan is the Sakura, which is the cherry blossom.