Facebook post by University of Helsinki

The use of musical methods in teaching intensifies learning. Finnish researchers have compiled guidelines for international use for utilising music to support the development of spoken language. The guidelines are suitable for the parents of children with hearing impairments, early childhood education providers, teachers and speech therapists, as well as the hearing-impaired themselves.
Music develops the spoken language of the hearing-impaired – Finnish guidelines for international use | University of Helsinki helsinki.fi

Music helps the hearing-impaired to learn to speak