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How many cassettes would you need to tape all the songs on a 32GB MP3 player?

The correct answer is `Five hundred cassettes´.

Five hundred C60 cassettes would hold the songs on your 32GB MP3 player. That’s enough to fill a large suitcase weighing in at 30kg - probably way more than your baggage allowance!

7000 tunes in your pocket.
Thank physics for that.


Cramming it all in

The first hard drive was built by IBM in 1956. It held 5MB of data and took up the space of two refrigerators. Discover the technological innovations that made pocket sized music libraries possible.

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Sounds of the future

The MP3 revolutionised music, but experts predict that in 10 years’ time we’ll have moved on to a new format. Find out what lies beyond the MP3.

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From cylinders to CDs

In 1877, Thomas Edison recorded the phrase ‘Mary had a little lamb’ onto a cylinder covered in tin, and became the first person to record and play back the human voice. Find out how music is recorded now.

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An ear for music

You might not be able to, but dogs can tell the difference between an MP3 and the same track played from a CD. Find out how MP3 encoding strips music down without you noticing.

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