ewtn.com/library/CURIA/CDWDANCE.HTM [emphasis added]
The following essay appeared in “Notitiae” 11 (1975) 202-205, and is labeled as a “qualified and authoritative sketch.” It is the mind of the Congregation for the Sacraments and Divine Worship (presently called Divine Worship and the Discipline of the Sacraments) that this article is to be considered “an authoritative point of reference for every discussion on the matter.” Therefore, it is commended for study by diocesan liturgical commissions and offices of worship. (This English translation first appeared in The Canon Law Digest, Vol. VIII, pp. 78-82).
[IN PART]
“However, the same criterion and judgment
cannot be applied in the western culture.
Here dancing is tied with love, with diversion, with profaneness, with unbridling of the senses: such dancing, in general, is not pure.
For that reason it cannot be introduced into liturgical celebrations of any kind whatever: that would be to inject into the liturgy one of the most desacralized and desacralizing elements; and so it would be equivalent to creating an atmosphere of profaneness which would easily recall to those present and to the participants in the celebration worldly places and situations.
**Neither can acceptance be had of the proposal to introduce into the liturgy the so-called artistic ballet[2] because there would be presentation here also of a spectacle at which one would assist, while in the liturgy one of the norms from which one cannot prescind is that of participation. **
Therefore, there is a great difference in cultures: what is well received in one culture cannot be taken on by another culture.
**The traditional reserve of the seriousness of religious worship, and of the Latin worship in particular, must never be forgotten. **
If the proposal of the religious dance in the West is really to be made welcome, care will
have to be taken that in its regard a place be found outside of the liturgy, in assembly areas which are not strictly liturgical. Moreover, the priests must always be excluded from the dance.”