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1 .This is Scientific American 60-Second Science. I'm Karen Hopkin. This'll just take a minute.
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2 .If you're a fan of the Beatles, you no doubt know that "She Loves You" came before "All You Need Is Love".
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3 .But what about "Help!" or "Yellow Submarine" or "I am the Walrus"?
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4 .You may not know which came first, but researchers from Lawrence Technological University in Michigan created an algorithm that does.
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5 .By analyzing the evolving structure of the Beatles' music, the computer program was able to correctly place the Fab Four's albums in chronological order.
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6 .The work is in the journal Pattern Recognition Letters.
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7 .The researchers initially produced the algorithm to catalogue whale songs.
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8 .And they figured what worked for killer whales should also work for the lads from Liverpool.
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9 .The program converts audio data into a visual spectrogram, an image it then evaluates for texture, shape, and pattern.
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10 .Based on this analysis, the algorithm could tell that "Please Please Me" was from the early days and "She Came In through the Bathroom Window" came near the end.
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11 .It even correctly estimated that songs from Let It Be were recorded before those on Abbey Road, although Abbey Road was released first.
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12 .The algorithm also worked for the albums of Queen, U2, and ABBA.
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13 .But the computer came up short on Taylor Swift, whose tunes thus far are too similar to sort.
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14 .Of course, her style could still change over time.
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15 ."Time Is on My Side," by Bonnie Raitt and Irma Thomas.
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16 .Thanks for the minute, for Scientific American 60-Second Science. I'm Karen Hopkin.
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