psalmody
Concise Oxford English Dictionary © 2008 Oxford University Press:
psalmody /ˈsɑːmədi, ˈsalm-/
▶noun the singing of psalms or similar sacred canticles.
■ psalms arranged for singing.
– derivatives
psalmodic adjective,
psalmodist noun.
psalmodic adjective,
psalmodist noun.
– origin ME: via late L. from Gk psalmōidia ‘singing to a harp’.
'psalmody' also found in these Oxford entries:

