Like plenty of music fans, Sam Broe jumped at the chance to join Spotify two summers ago, and he hasn’t looked back.

Spotify, which began streaming music in Sweden in 2008, lets users choose from millions of songs over the Internet free or by subscription, and is increasingly seen as representing the future of music consumption. Mr. Broe, a 26-year-old from Brooklyn, said that having all that music at his fingertips helped him trim his monthly music budget from $30 to the $10 fee he pays for Spotify’s premium service. Read more