Is there a music band called the B band?

Yes, there is a music band called the B-Band. The B-Band is a Japanese jazz fusion band that was formed in 1975. The band is led by guitarist Tsuyoshi Kawakami and features keyboardist Hideo Yamaki, bassist Kiyoshi Murakami, and drummer Hiro Narita. The B-Band has released over 20 albums and is considered one of the most important jazz fusion bands in Japan.