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In hour 2 of Science Friday's 02/10/12 radio program they speak with psychology professor and author of "Guitar Zero, the New Musician and the Science Learning" Gary Marcus. Professor Marcus started learning the guitar at age 38 and speaks about the science of learning and if there's a critical age range to learn an instrument or if there's still a chance for the older learner. In the second half of this program they speak of the science of audio and spend time on the CD verses Vinyl debate and about common compressions used for digital distribution such as MP3 and what they do to the sound. continue reading...