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"…Before 1840, there were limited written sources of folk music in Norway. Originally these historical attainments were believed to have a distinct Christian influence. As research continued, there was also mythical and fairy tale connections to the folk music. Overall the purpose of folk music was for entertainment and dancing. Norwegian folk music may be divided into two categories: instrumental and vocal. As a rule instrumental folk music is dance music (slåtter). Norwegian folk dances are social dances and usually performed by couples, although there are a number of solo dances as well, such as the halling. Norway has very little of the ceremonial dance characteristic of other cultures. Dance melodies may be broken down into two types: two-beat and three-beat dances. The former are called halling, gangar or rull, whereas the latter are springar or springleik…"