Gerrard however performs more predominantly in the dramatic contralto range in her other songs , `` Sanvean '' , `` Sacrifice '' , `` Largo '' , `` Lament '' and `` Not Yet '' .
Gerrard however performs more predominantly in the dramatic contralto range in her other songs , `` Sanvean '' , `` Sacrifice '' , `` Largo '' and `` Not Yet '' .