Trumpetist Jose Mäenpää is known, for instance, from his work with Dalindèo and Ricky-Tick Big Band. He has written all the music and lyrics for his own group Josén Pimeä Puoli. The band just released its first album, combining blues, schlager, twist and bar-room jazz. In his own band, Mäenpää is performing as a singer and pianist. The swinging trio also includes bassist Arto Nurmi and drummer Jussi Miettola.