What is the fine-grained topic of the following text: However, on playing ‘Sunkick’ – a track which skews toward the poppier end of The Shimmer Band’s take on psych-rock – the catchy chorus and blue-sky sound of the song warmed up the crowd nicely and the audience looked to be catching their rhythm more eagerly than before. Only return the topic.
The reaction of an audience to The Shimmer Band’s track 'Sunkick'.