What is the fine-grained topic of the following text: Many of the bands used Sennheiser equipment: Malaysian band Pop Shuvit and alternative rock Billboard chart-toppers NeonTrees both wowed the crowd utilising Sennheiser SKM 5235 microphones; Korean pop sensation Beast used the SKM 5235 and ew 300 G3 IEM wireless monitors. Only return the topic.
Bands using Sennheiser equipment in performances