Thania Garcia Fergie’s 2007 pop hit “Glamorous” is seeing a mini streaming increase of 70% following Jack Harlow’s sample of the track in his hit single “First Class” — which hit No. 1 on the Billboard Hot 100 earlier this month — according to data by Luminate (formerly MRC Data, formerly Nielsen Music, formerly SoundScan, etc.).Harlow’s strategic teasing of the track on TikTok helped to make the song an immediate success.