go and contact the frontman Jamie Welton, he actually works as professional sound engineer both for studio productions and live shows. We had him to act as sound guy for bands like Testament and others. He did many professional bands like Linkin Park and Avril Lavane. He is a cool guy and the best choice in the hard rock sector available in China.
no, i m not part of Bad Mamasan, just a friend.
BTW, they are playing tonight at 2 Kolegas!
i will go see their show, so sure i will ask him. but he is a bit busy these days, working on his Bad Mamasan debut album, also he will take care of that coming The Eagles show at his stadium in Wukesong.