The raw data behind the story "Why Classic Rock Isn't What It Used To Be" https://fivethirtyeight.com/features/why-classic-rock-isnt-what-it-used-to-be/.
A data frame with 37,673 rows representing song plays and 8 variables:
Time of song play in seconds elapsed since January 1, 1970
Time of song play in date/time format
Unique ID for each song play
Song and artist name combined