People with motor disabilities have a limitation or a loss of capacity carrying out activities considered as normal for human beings. This may incline the relationship with the society and thus it is essential for these people to undergo therapeutic treatments. However, rehabilitation is a tedious process that often fails due to that patients drop treatment. For this reason, this thesis investigates if music in a serious game for rehabilitation can make the experience to become more engaging and, accordingly, whether positive experiences from playing such a game can encourage the rehabilitation process of a patient i.e. to make the rehabilitation process less tedious for the patient. The results, based on a pilot study conducted in a rehabilitation center, indicates that this is the case and further research on the matter is suggested.