There are at least four bands with this name, one is an ethereal post-dreampop band based in Australia, the second is a Canadian band that plays filk and folk music, the third a 70s funk outfit, and the fourth a jazz / pop unit from Latvia:
1) Dandelion Wine are an ethereal post-dreampop band that while based in Melbourne Australia, inhabit a very different world. A world where the centuries bleed into one another to create a seamless whole. A world where medieval instruments collide headlong with electronic beats. Read more on Last.fm