TREMOR is a music festival that annually invades the Island of S.MIguel and the whole historical center of Ponta Delgada, biggest town of the Azores. From March 15-18th, São Miguel becomes a priviledged stage for music, and on March 19th, Ponta Delgada trembles with concerts in multiple spaces that go from a theater to a coliseum, a clothing store to an art gallery, a library to a museum.