There are at least 6 artists with this name:
1) Clementine is a French jazz chanteuse with a girlish, breathy vocal style.
2) Clementine are Finnish band who play folk with pop influences.
3) Clementine are a Milwaukee based indie rock band.
4) Clementine is an indie band from Pensacola, Florida.
5) Clementine is a techno project of Luke Slater, which released 3 records on Djax Up Beats in the early 1990s.
6) Clementine is an indie/emo band from Tempe, Arizona.