Dr. Harvey Karp 歌词

歌曲	年	普及
Fast & Vigorous – The Best Sound for the Fussiest Babies	-	163
Hair Dryer – Boosts Sleep for Light Sleepers	-	153
Mellow – Womb Sounds for a Full Night's Sleep	-	158
Moderate – Gradually Guides Your Baby to Calm	-	183
Rain – Peaceful and Soothing for Infants and Parents	-	152
Soft Rain – Unique, ultra-low Pitch for Sensitive Sleepers (most Like Womb)	-	175
Strong Hair Dryer – Calms Fussy Babies	-	153