Steal My Sunshine — Len (1999)

Steal My Sunshine remains the definitive sound of late-1990s carefree summer, a track recorded by Toronto duo Len with a mere $5,000 budget that nonetheless reached the top five in 11 countries in 1999. Its irresistible loop and breezy vocals propelled it to a peak of No. 4 on the Billboard Hot 100, yet the duo never released another charting single, retiring from music without a follow-up album.