Was There Music in Indus Valley Civilization?

Music was present in the Indus Valley Civilization. It is evident from the presence of some musical instruments, such as the arched or bow-shaped harp and few varieties of drums on terracotta figures and pictographs on the seals. The dancing girl figurine is a testimony to the presence of music and dance in the Indus Valley Civilization. However, what kind of music or dance was prevalent that time, we are totally ignorant about it.