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More or Less: Behind the Stats

Ed Sheeran and the mathematics of musical coincidences

More or Less: Behind the Stats

BBC

Business, Mathematics, Science, News Commentary, News

4.63.5K Ratings

🗓️ 25 June 2022

⏱️ 11 minutes

🧾️ Download transcript

Summary

After beating a plagiarism claim in court, musician Ed Sheeran said that musical coincidences were inevitable with only 12 notes to choose from… but what do the numbers say? Mathematician and concert pianist Eugenia Cheng takes us through the mathematics of music and explains how the power of exponentials mean that just a handful of notes can open up a seemingly endless world of musical variety. Presenter: Tim Harford Producer: Nathan Gower Programme Coordinator: Janet Staples Sound Engineer: Neil Churchill

Transcript

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0:00.0

On the podium season 2 is available now.

0:02.8

Like many people in this world I have never seen an Olympic medal before.

0:07.2

Bringing you more remarkable stories of Olympic and Paralympic athletes

0:11.8

and their incredible journeys to the podium.

0:14.4

This is my dream and it's came true that day.

0:17.0

Find out more at the end of this podcast.

0:21.2

Thank you for downloading the more or less podcast

0:24.2

with a program that brings sweet harmony to discordant data and I'm Tim Hafen.

0:31.0

In April this year the pop sensation Ed Sheeran

0:35.3

won a court case that had been brought against him over his smash hit,

0:39.4

Shape of You.

0:43.4

Sheeran had been accused of plagiarism by a singer named Sami Switch

0:48.0

who claimed a section of the song was strikingly similar to one of his own tunes,

0:52.6

a song called, a Why.

0:58.1

Now after Ed Sheeran won his case he made a statement on Instagram.

1:02.5

There's only so many notes and very few chords used in pop music.

1:05.7

Coincidences bound to happen if 60,000 songs are being released every day on Spotify.

1:10.0

There's 22 million songs a year and there's only 12 notes that are available.

1:14.0

Now we hear it more or less are interested in numbers and calculations,

1:18.6

perhaps you've noticed, so Ed Sheeran's statement got us thinking.

1:23.0

Our musical coincidence is really as likely as Ed Sheeran says,

1:27.6

having 12 notes to play with may not sound like a lot but if there's one thing I know it's

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