She has only known family and now she is surrounded by unfamiliar sounds and people. (healthypawsla.com)
Other research shows that newborns prefer to listen to sounds — such as music or speech — that they were exposed to in the womb over unfamiliar sounds. (sciencedaily.com)
Classes often include songs and new unfamiliar sounds which is very appealing to babies and if your baby does cry or need to be changed or fed during class - No big deal! (theholisticmama.com)