With my voice; the witness of my faith and fervency of affections. Out of his holy hill; either out of heaven, so called Psalms 15:1: compare Isaiah 66:1. Or rather,
2. Out of the hill of Zion, where God was especially present, the ark being there at this time; towards which the saints then used to direct their prayers, and from thence God heard and answered and blessed them, Psalms 128:5, Psalms 134:3.