Average Song Length by Genre
graph from the Sonia Chien/Chartmetric; slow reveal by Jenna Laib
Type of Graph: line graph
Purpose
This slow reveal is designed to support analysis and discussion of both the data and the design choices. The questions in the slide deck invite learners to examine trends, relationships, and possible interpretations. This graph invites students to notice patterns, estimate values, examine relationships, consider how the data was collected, and discuss implications for this data.
About This Graph
This visualization is not provided for reuse or redistribution. Readers and educators are encouraged to view the original visualization in its published context.
Original Visualization:
Chien, Sonia. “Why Songs Seem Shorter—And Why It’s More Complicated Than You Think.” Chartmetric: April 3, 2025.
Data Sources: Sonia Chien (US data on Spotify)

In The Classroom
There are many different mathematical connections that can be made to this data and data visualization.
Potential Math Content: line graph, time, estimating values, averages, mean,
Potential Content Connections: music, genres
Discover more from Slow Reveal Graphs
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Thank you for another graph! However the link at Average Song Length by Genre goes to a past slide deck 😏 LMM Lyndsey Manzo (she/her/hers)
Secondary Science & Engineering Curriculum Specialist | Westerville City Schools 614-797-5727 (phone) | 20162 (internal extension)
Thank you for letting me know! Fixed!