She spoke in a singsong voice that was soothing to listen to.
singsong tone
Frequency:
60
%
His singsong tone indicated that he was in a good mood.
singsong chant
Frequency:
50
%
The monks recited their prayers in a singsong chant.
singsong rhythm
Frequency:
45
%
The children clapped along to the singsong rhythm of the nursery rhyme.
Idiomatic Expressions for singsong
Phrase: singsong manner
Meaning: a way of speaking or behaving that is repetitive or monotonous
Usage: He answered the questions in a singsong manner, causing some to lose interest.