Artist · chart history
Len
Band Toronto Canada Formed 1991 Canadian Alt Rock Group
Len formed in 1991 in Toronto, Canada. Len has 37 chart appearances on 37 radio countdowns from 16 stations on RockLists, spanning 1999–2025. The most successful song on radio countdowns is “Steal My Sunshine”, which appears on 37 lists with a best position of #9. The station that charted Len most often is CD101 (Columbus, OH), with 13 appearances. The artist’s biggest year on year-end countdowns was 1999.
Len is a brother-and-sister operation out of Toronto: Marc Costanzo on vocals and guitar and Sharon Costanzo on vocals and bass, formed in 1991, with a revolving cast of friends and hired hands filling in around them, among them Brendan Canning, Planet Pea, DJ Moves and Derek Mackenzie.
The song everyone knows is "Steal My Sunshine", from the 1999 album You Can't Stop the Bum Rush: a breezy, sun-bleached slacker jam with the siblings trading vocals, and about as perfect a summer single as the decade produced. It's the one they are best known for, and the countdowns have held on to it ever since.
Written with AI assistance from RockLists chart data, MusicBrainz and Wikipedia.
Songs by Len on radio countdowns
| # | Song | Strength | Lists | Best | #1s | Peak year |
|---|---|---|---|---|---|---|
| 1 | Steal My Sunshine | 37 | #9 | – | 1999 |
Albums with charting songs
Where each song was first released, from MusicBrainz.

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