Different placements in the service

introit

procession

psalm

reading

sermon

intercession

confession

creed

anthem

communion

benediction

Varied singing forces

men/women

choir/congregation

left/right sides of an aisle

solo voice/all

children's choir/adult choir

Different accompaniments and arrangements

canon

sung or instrumental ostinato

different tune for one or more stanzas

hymn-anthem or hymn concertato

hymn-prelude for organ or other instrument

unaccompanied singing

reharmonization by organ/instruments

descants by singers, organ, instruments

percussion (only?)

handbells

Reading

by one voice

by many individual and/or group voices (choral reading)

divided up throughout the service (especially for a very long text)

printed in a program and read silently

with a sung refrain

Other kinds of presentations

Drama or mime with singing or reading of hymn by choir/soloist

Musical improvisation inspired by a hymn