How TikTok helped make a 2015 tune the 'song of the summer'

British pop singer Jess Glynne has delivered what TikTok heralded as the “Song of the Summer” on Thursday (September 4), even though the song came out a decade ago. In the last few months, “Hold My Hand” resurged in popularity with the Jet2holidays ad audio becoming the viral soundtrack to dance trends and hilarious videos of travel fails, holiday mishaps, animal encounters and proposal interruptions.