Pandora CEO Joe Kennedy recently announced that the music streaming service had surpassed 150 million users in the United States and was the second most downloaded app in the history of Apple’s App Store. According to the company’s recent earnings report for the first quarter of fiscal 2013, Pandora grew to a record 51.9 million active users, representing a 53% year-over-year increase. The service has a commanding 71.7% share of the top U.S. Internet radio market and controls almost 6% of the total U.S. radio listening market. The company’s total revenue jumped 58% year-over-year to $80.8 million, $70.6 million of which came from advertising and $10.2 million from subscription plans. While advertising revenue increased 62% year-over-year and subscription revenue increased 38%, Pandora still reported a net loss of $0.09 per share.