Sacred songs are an important part of many religious traditions. HYMNS, Psalms, Motets, and Hymnody are all types of sacred songs. HYMNS are typically short songs of praise or worship, often sung in churches. Psalms are a type of sacred song found in the Bible, usually written as poetry. Motets are a type of polyphonic vocal music, often used in religious ceremonies. Hymnody is the practice of writing and singing HYMNS.