Who is more of an independent artist, Pop Evil or Imogen Heap?
Imogen Heap: Imogen Jennifer Heap (born 9 December 1977), known professionally as Imogen Heap ( ), is an English singer, songwriter, record producer and audio engineer. Imogen Heap:  Heap signed to independent record label Almo Sounds at the age of 18 and later began working with experimental pop band Acacia, alongside Guy Sigsworth, as a frequent guest vocalist. Pop Evil:  Later, guitarist Tony Greve was added as a temporary studio musician for the band but was invited to become a full-time member in early 2007. Pop Evil:  Around that time, bassist Jamie Nummer left the band for personal reasons and was replaced by Matt DiRito, formerly of Archangel and Before the Fire.
i don't know