There are several bands/artists under the name Len: 1. A Canadian alternative rock duo. 2. A UK rapper 3. Russian utaite singer 4. Japanese electronic 5. French rap 6. Japanese writer 7. Belgian DJ 8. Filipino rapper 9. Christian rapper 1. Len is a Canadian alternative rock duo based in Toronto, Ontario. The band consists of siblings Marc Costanzo (vocals, guitar) and Sharon Costanzo (vocals, bass) and a revolving lineup of touring and studio musicians. The group is best known for their 1999 single "Steal My Sunshine". Read more on Last.fm