Answer: unison

AnswerCrossword Clue
UNISONSimultaneity
UNISONConcord.
UNISONTogetherness.
UNISONHarmony
UNISONChoral distinction
UNISONSimultaneously, with "in"
UNISONIdentity of musical pitch
UNISONSynchronization
UNISONSimultaneous action
UNISONIn ... (as one)
UNISONA sounding together
UNISONSomething to sing in
UNISONChoirs may sing in it
UNISONWhat some singers sing in
UNISONTandem
UNISONPeople often sing in it
UNISONAgreement.
UNISONParallel action
UNISONIn tune
UNISONTogether (with "in")
UNISONA trio may sing in it
UNISONA capella groups sing in it
UNISONSynchronized swimmers' goal
UNISONConcurrence
UNISONSynchronicity
UNISONWhat choristers may sing in
UNISONA group of carolers may sing in it
UNISONA choir might sing in it
unisonin perfect accord; corresponding exactly
unisonidentity in pitch
unisonperfect agreement
unisoncomplete agreement
UNISONSynchronized sound
UNISONIn complete agreement
UNISONTogetherness
UNISONOneness
UNISONComplete agreement
UNISONA choir may sing in it
UNISONAt the same time, with "in"
UNISONTogether, with "in"