The Pi Song
It turns out the easiest way to hold a hundred digits of pi in your head isn't to read them — it's to sing them. Here's what "the pi song" means and how to make one your own.
What is "the pi song"?
When people say "the pi song," they almost always mean the one by AsapSCIENCE — a YouTube duo known for turning science into catchy tunes. Their track sets the first 100-plus digits of pi to a bright, bouncy melody, singing the numbers in order over a piano line. It became a Pi Day staple because it does something a page of digits never could: it makes the sequence stick. Hum it a few times and you'll find yourself rattling off "three point one four one five nine two…" without trying. (We won't reproduce the lyrics here — it's a real, copyrighted song — but a quick search will turn it up, and it's worth a listen.)
Why setting digits to music works
There's real cognitive science behind this. A bare list of a hundred random digits is nearly impossible for the brain to store — it's just noise. But music gives that noise structure. Two things happen at once:
- Melody supplies scaffolding. A tune has rhythm, rise, and fall, and your memory latches onto that shape. The melody effectively "carries" the digits along, so recalling the next note pulls up the next number.
- Chunking breaks the wall. A song naturally groups digits into short phrases — four here, five there — and small chunks are far easier to remember than one long string. Your brain juggles a handful of little bundles instead of a hundred loose numbers.
Together, melody and chunking turn an impossible list into something closer to remembering song lyrics — which almost everyone can do effortlessly.
Other kinds of pi music
The AsapSCIENCE song isn't the only way people musicalize pi. There's a whole small genre:
- Pi melodies from the digits themselves. Assign each digit (0–9) to a note on a scale, then "play" pi. The result is an oddly pleasant, meandering tune that never quite repeats — because pi never repeats. Composers have turned pi into piano pieces this way, letting the number choose every note.
- Piems set to music. A piem is a poem where each word's letter-count gives a digit of pi ("How I wish I could calculate pi" → 3.141592). Set a piem to a rhythm and you've got a sung mnemonic that encodes the digits twice over.
- Digit-recitation set to familiar tunes. Plenty of students memorize pi by chanting the numbers over a melody they already know, from nursery rhymes to pop hooks.
Make your own pi song
You don't need to write music from scratch. The practical trick:
- Pick a tune you already know cold — "Twinkle, Twinkle," "Happy Birthday," a chorus you can't get out of your head.
- Chant the digits over it in groups of 5 to 10, one group per musical phrase. Small, steady bites.
- Repeat the same section until the melody drags the numbers along on its own, then add the next chunk.
Give it a week of car-ride rehearsals and 50 digits is very doable. For a full method beyond singing, see how to memorize pi.
Sing it on Pi Day
Come Pi Day (March 14), singing is one of the most popular ways people show off 100 digits — classrooms belt out the pi song together, and recitation contests are half memory feat, half karaoke. If you're going to learn a hundred digits, you may as well make them catchy. Then test yourself with the pi quiz and see how many stuck.