Lucky

"Lucky" is a song by American singer-songwriter Jason Mraz. Released in 2009, it was written by Mraz and co-written by Colbie Caillat, who also features as a duet partner. The song is in the key of B major and falls under the genre of pop-folk. Notably, "Lucky" received positive reviews from critics and achieved commercial success, reaching the top 10 in several countries' music charts. The track portrays the story of two people finding and cherishing love in their lives. As for the melody, it features a catchy and uplifting tune, blending acoustic guitar strums with beautiful harmonies produced by Mraz and Caillat's vocal harmonization.