Jonathan Mann has written a song a day every day for almost 1,300 days. Seriously. A lot of them are very silly, but he and his girlfriend broke up yesterday, and they did a song about that. It is maybe the best breakup song ever written, because of its sincerity, maturity and plea for friends to still invite both of them to the same parties.

We think it's pretty great, but so are his other songs, which you may have heard. Here are a few of the more popular ones.

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