Sound system that is placed in an wearable abdominal belt comprising of an audio controller, speakers, microphone, sensors and a music player, for transmitting music/sounds/educational material to a fetus; sound system that is placed in toys for babies and children comprising of audio controller, speakers, and a music player, for transmitting music/sounds/educational material; wearable abdominal belts containing speakers, microphones, vibro-acoustics sensors and vital signs sensors and audio transmitters for purposes of transmitting music/sounds/educational material to a fetus, not for medical purposes; pregnancy audio system comprising of wearable abdominal belt including audio controller, speakers, microphones, vibro-acoustics sensors, vital signs sensors and computer software/application for listening, monitoring, tracking, recording, storing, managing, displaying and analyzing the mother and fetus heartbeats, and the womb surroundings and sounds; a computer software/App which enables sending, sharing, tagging and posting of the mother and fetus heartbeats and the womb surroundings and sounds by means of a global computer network

Toys for babies and children in which a sound system can be installed; toys for babies and children which play sounds designed to be attached to car seats, strollers, cribs and high chairs; sound producing toys for babies and children; musical toys for babies and children; toys for babies and children containing speakers and audio transmitters for purposes of transmitting music/sounds/educational material

Software as a services featuring a computer software/App for listening, monitoring, tracking, recording, analyzing, storing, managing, sharing, tagging, sending the mother and fetus heartbeats and the womb surroundings and sounds; analytical and statistic services relating to the mother and fetus heartbeats and the womb surroundings and sounds during pregnancy; technical support, upgrading, repair and maintenance of computer software; providing temporary use of on-line non-downloadable cloud computing software for listening, monitoring, tracking, recording, analyzing, storing, managing, sharing, tagging and sending the mother and fetus' heartbeats and the womb surroundings and sounds