We were also favorably impressed with the depth of MOG's catalog, which has improved since we looked at it last year--it had selections from a local Seattle band, The Curious Mystery, which we haven't seen in too many other places, and most of the big names (with the usual exceptions like The Beatles) are present, with a full array of songs and albums. Unfortunately, there are some problems with the playback experience. There's no scroll bar for the currently playing song, so you can't fast-forward, rewind, or move to a specific point. There's also no way to add songs to the currently playing queue--as soon as you touch the song you'd like to add, it immediately interrupts the currently playing song and skips to the song you touched. This is particularly annoying, because it does add the new song to the current playlist...at the bottom. MOG says it'll add both of these features in the next few weeks. The search function also failed with surprising frequency on single songs--it didn't find Black Sabbath's "Iron Man" or "Train Kept A-Rollin'" by the Yardbirds, even though both are in the service's library and available when you search by album or artist. Using MOG on your iPhone will cost you $9.99 a month, which is the same as most of these other services. We still find Thumbplay to have the best user interface, and we're intrigued by Rdio's ability to recognize all the songs in your on-device music collection and its social-networking features. But

MOG looks slick and has a strong focus on sound quality, so we won't count it out. Yamaha Dgx 640 Driver joins the long line of iOS apps using VoIP technology to connect you and your friends through video calls, voice calls, and chat. This free app is a no-brainer to set up, and even beginners will understand how the app works without reading any Help files or watching tutorials. Despite its ease of use, we weren't impressed by the video or voice quality. Yamaha Dgx 640 Driver's user interface is very intuitive because it's based

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