What is the fine-grained topic of the following text: Also included with be an interview with informatico Daniel del Solar on his recent trip to Cuba; and also featuring Bay Area based son fusion group Pellejo Seco, with ticket giveaway for their upcoming Cuban Hurricane Relief Concert on Saturday, December 20th at the Brava Theater in the San Francisco Mission (24th Street). Only return the topic.
An interview with Daniel del Solar and a Cuban Hurricane Relief Concert by Pellejo Seco