What is the fine-grained topic of the following text: So what: More specifically, Pandora saw quarterly revenue jump 29% year over year, to $297.3 million, above the high end of its previously supplied guidance of $280 million to $290 million, driven by a modest year-over-year increase in active listeners (up 0.3%, to 79.4 million), a 4% increase in total listener hours, to 5.52 billion, and 23% growth in advertising revenue, to $220.3 million, and incremental contributions from Pandora's recent acquisition of live events company TicketFly. Only return the topic.
Pandora's quarterly financial results and performance