iTunes' Free 'Single of the Week' May Be Over, Spotify Has 15 Million Paid Subscribers, and More in This Week's Digital Digest

TOP STORIES     iTunes' Free 'Single of the Week' May Be Over  Apple's free "Single of the Week" promotion has been absent from the iTunes store all year, fueling speculation that it has been discontinued.   'Entourage' Music Supervisor Scott Vener May Just Have the Next Big Music App  With Pharrell Williams and Justin Timberlake on speed dial, multitasking music supervisor Scott Vener, fresh off wrapping the bro-movie, hopes that his music-sharing app Undrtone blows up.   Spotify's Subscriber Growth Accelerates, Appears Fueled By Mobile Listeners  How did Spotify get its most recent 2.5 million subscribers? Let's take a look.   Pono Rumored to Secure Hi-Def Beatles Catalog, While Pono's Engineers Question Whether It Matters  It looks like Neil Young may not have to wait as long to get the Fab Four's coveted catalog added to his high-end Pono music store.   Genius Poaches New Yorker Pop Critic Sasha Frere-Jones  Frere-Jones this week joins Genius as executive editor as part of a broader expansion push.   New Music Seminar Set for June in NYC  The annual New Music Seminar will return to New York City June 21-23 at the Wyndham New Yorker Hotel.   Canadians Hit With Misleading Copyright Notices From Loophole-Exploiting U.S. Firm  Canada's copyright notice-and-notice system is less than two weeks old, and despite having good intentions it has already been subject to misuse.