The song is inspired by the dervish dance they still perform in Konya, mostly for tourists. The mixture of 4/4 and 3/4 could sound strange, but everything looks strange in Konya...
The ancient Iconium was mentioned in the New Testament as a primarily Christian church. Then it became the capital town of the Sufi mouvment, and the residence of Rumi. Today it's an important touristic center, mainly because of the Sufi tradition.