Musical Theory
Researchers from Queen Mary University of London and Imperial College London used signal processing and text mining to analyze the musical properties of chart-toppers over five decades using music from Last.fm. Their system separated songs into groups based on properties, such as patterns of chord changes, tone color and lyrics.
For example, songs with minor-seventh chords — used for harmonic color in funk and soul — peaked in the mid 1970s. A surge in loud, energetic lead guitars and aggressive percussion, seen in the late 70s and early 80s, mirrored the rise and fall of arena rock.
Musical Theory
Researchers from Queen Mary University of London and Imperial College London used signal processing and text mining to analyze the musical properties of chart-toppers over five decades using music from Last.fm. Their system separated songs into groups based on properties, such as patterns of chord changes, tone color and lyrics.
For example, songs with minor-seventh chords — used for harmonic color in funk and soul — peaked in the mid 1970s. A surge in loud, energetic lead guitars and aggressive percussion, seen in the late 70s and early 80s, mirrored the rise and fall of arena rock.
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Musical Theory
Researchers from Queen Mary University of London and Imperial College London used signal processing and text mining to analyze the musical properties of chart-toppers over five decades using music from Last.fm. Their system separated songs into groups based on properties, such as patterns of chord changes, tone color and lyrics.
For example, songs with minor-seventh chords — used for harmonic color in funk and soul — peaked in the mid 1970s. A surge in loud, energetic lead guitars and aggressive percussion, seen in the late 70s and early 80s, mirrored the rise and fall of arena rock.
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