"Something old" is the first line of a traditional rhyme that details what a bride should wear at her wedding for good luck:

"Lover" is a song by the American singer-songwriter Taylor Swift and the title track of her seventh studio album (2019). Swift conceived it as a timeless love song that could be played at a wedding reception; the lyrics are about an intimate and committed relationship, and the bridge draws on the bridal rhyme "Something old". Produced by Swift and Jack Antonoff, "Lover" combines country and indie folk over a waltz tempo. It has an acoustic-guitar-driven balladic production consisting of snare drums, piano, pizzicato strings, and dense reverb. Republic Records released "Lover" for download and streaming on August 16, 2019, and to US radio the next month.