what are the 5 characteristics of gregorian chant?
['Melody - The melody of a Gregorian chant is very free-flowing. ... ', 'Harmony - Gregorian chants are monophonic in texture, so have no harmony. ... ', 'Rhythm - There is no precise rhythm for a Gregorian chant. ... ', 'Form - Some Gregorian chants tend to be in ternary (ABA) form.']