Contains 150 Hebrew poems or songs, many attributed to King David, on a variety of themes including praise, lament, pilgrimage and prayer for God’s help and forgiveness. Daily repetition of the psalms lay at the heart of medieval worshipWorship 1. Doing homage and giving honour and respect to God. The Bible includes a wide range of physical expression in worship, including bowing down, lifting hands, dancing, processions and singing. The main day on which Christians gather for communal worship is Sunday (the day when Christ is believed to have risen from the dead). 2. Christian liturgy including sung material and prayers of thanksgiving and praise..