Few things are as maddening as hearing a song on the radio and not being able to recall the name of the artist or the title of the track itself. Fortunately, the App Store has several options that put the answer to such nagging questions right in your pocket. One such app is the well-regarded Shazam, which can identify music tracks playing anywhere near your iPhone. Midomi Music Identifier and Search from Melodis pulls off the same feat, only with a few more tools than Shazam has at its disposal.
Midomi uses the Sound2Sound search engine to accurately identify music. It can listen to a song being played on the radio and recognize it, just like Shazam. But it can also identify songs that you sing or hum. In addition, you can also just speak a song's title or an artist's name into the iPhone's built-in mic and Midomi will find it. (iPod touch users can tap into these features as well, provided they've got an external microphone on hand.) The app also includes a text field where ...
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Tim Mercer, Macworld.com