NEW : A church pastor says the coroner 's report will be done in 2 to 3 days . Marvin Williams , a gospel singer and Detroit native , will give the eulogy , a pastor says . The invitatiton - only service will be held at the late singer 's childhood church in Detroit . Its pastor says that the singer 's ` ` voice is beautiful , but she left us with so much ''
NEW : A police spokesman says the coroner 's report could be done in 2 to 3 weeks . Marvin Winans , a gospel singer and Detroit pastor , will give the eulogy , a pastor says . The invitatiton-only service will be held at the late singer 's childhood church in Newark . Its pastor says that the singer 's `` voice is silenced , but she left us with so much ''