Estate is an Italian song written in 1960 by Bruno Martino (music) and Bruno Brighetti (lyrics). A minor hit in Italy when released, it eventually became a worldwide jazz standard largely through its interpretation by João Gilberto.

The title refers to summer, and the lyrics describe a love lost during summer and the bitter memories that come with the season ever since. The song was originally titled (and the lyric sung) "Odio l'estate" ("I Hate the Summer").

Two sets of English-language lyrics have been written, one titled "Estate" by Joel E. Siegel, and the other titled "In Summer" by Jon Hendricks.
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http://en.wikipedia.org/wiki/Estate_(song)