All Heartbeat Musical Therapy Recordings in the Baby Go To Sleep Series use an actual human heartbeat, recorded from the chest, as the rhythm (drums) of special arrangements of traditional lullabies and nursery songs. Clinically proven to calm infants and children. Will receive 1 CD which will feature music from part 1 and 2 or 2 cassettes(1 cassette for part 1 and another for part 2). Satisfaction Guaranteed or your money back. Available on audio cassette or CD.
