There are several artists with the name Gretchen: 1) A Christian female-fronted Gothic metal band
2) A Brazillian singer.
3) A German duo founded in 1998 in Berlin.
1) The gothic band Gretchen's sound has a somewhat ethereal but upbeat rock sound described as a cross between several different artists. However, they excel with a style all their own, balancing heavy guitar tones and ethereal melodic melodies with mature song writing and catchy hooks.

Read more about Gretchen on Last.fm.