What is another word for plain song?
Pronunciation: [plˈe͡ɪn sˈɒŋ] (IPA) 
Plain song, also known as chant or plainchant, has been a form of spiritual music since ancient times. Synonyms for this type of music include Gregorian chant, psalmody, sacred music, liturgical music, and monophonic music. These synonyms reflect the tradition and religious context of plain song, which is often associated with Roman Catholic and Eastern Orthodox liturgical services. The use of plain song has been recognized for its ability to create a peaceful and meditative atmosphere, encouraging devotion and contemplation. Its timeless and universal appeal has also led to its incorporation into contemporary music, where it continues to inspire and influence musicians worldwide.
