Complex sentence: The DMC ("Downtown Momoclo Band ") is the supporting band from MCZ concerts, starting from the"Haru no Ichidaiji 2013-Peach For The Stars", held in April 2013 in Seibu Dome.
Split into simpler sentences: The DMC ("Downtown Momoclo Band ") is the supporting band that accompanies the group on some shows. The first appearance was in the spring concert, the"Haru no Ichidaiji-Peach For The Stars", held in April 2013 in Seibu Dome.