You should consider the newcomer band De Breacks as supporting act in germany/europe

These kids presented themselves recently at The Voice Kids germany, burning down the house with an up tempo cover version of "Holiday".

Watch and listen:

https://www.sat1.de/tv/the-voice-kids/videos/104-exklusiv-vorab-die-band-de-breaks-reisst-mit-green-day-die-buehne-ab-clip