Crossword Clue:

in a quiet tone

AnswerCrossword Clue
NEUTRALQuiet in tone.
ASHARPA tone in music.
BASSNOTELowest tone in a chord
MURMURSpeak in a low tone
CROONSing in a low tone.
DRONEDTalked in a monotonous tone
BASSEDSang in a low tone: Rare.
CROONSing in a low, gentle tone