Nite Jewel No Sun Gloriette LP/DL   How closely does art imitate life and vice versa? It is a question that has been debated since antiquity. Ramona Gonzalez, who records as Nite Jewel, provides an offering that serves to revive the debate. Nite Jewel has released No Sun, her first full length in four years, on her own imprint, Gloriette. It explores mourning and loss. Not so coincidentally, Gonzalez is researching those same themes in her graduate work in musicology at UCLA: women performing mourning songs and rituals. Another wrinkle is that Gonzalez has reason for grief in her own