Every song of the summer from the past 49 years

Iggy Azalea/Shaboozey/Katy Perry/YouTube

• Every year, music fans wonder which song will be crowned the "song of the summer."
• Business Insider uses Billboard charts and streaming stats to determine the season's defining hit.
• This year, the title goes to Shaboozey's "A Bar Song (Tipsy)." Our list below goes back to 1975.

Anjelica Oswald contributed to a previous version of this article.

2024: "A Bar Song (Tipsy)"...