Dew may refer to at least three different artist;
1) Dew, the Japanese duo unit, and;
2) dew, a singer/songwriter from Switzerland;
3) Dew, a finnish electronic composer.
4) Dew, a Japanese blues rock band of the 70s
5) A former finnish gospel rock band.
_____ 1) Dew is a Japanese duo unit composed of Yu Shimizu (Vocals) and Haruna Onishi (Vocals and Piano). They naturally got together to sing while they spent their high school days (3 years) in Canada.

Read more about Dew on Last.fm.