There is more than one artist with this name:

1) Longhouse was a band from New York, USA, formed in 1985, led by Lisa Herman, whose sound is characterized by extensive vocal harmonies provided by as many as six backup singers. They released a self-titled album in 1988.

2) Longhouse is a collaborative effort of James Creasey and Brandon Friesen from Canada. The duo invites the listeners to experience the culture of the First Nations through a mix that consists of contemporary and traditional Native American music. Guided by the sounds of Native American flute, guitars, drums, synthesizers and heart-thumping percussion, their music unfolds mystical ancient lands where great warriors once lived and echoes great stories through songs that stir the humanly spirit. Read more on Last.fm. User-contributed text is available under the Creative Commons By-SA License; additional terms may apply.