this animation is available for purchase in sources:
https://www.artstation.com/marketplace/p/1K6lb/am-tango-petit-10-couple-dance-animation-loop-62bpm-ue-assets-pack-unity-pack
https://mocapdancer.artstation.com/store/1K6lb/am-tango-petit-10-couple-dance-animation-loop-62bpm-ue-assets-pack-unity-pack
https://fab.com/s/4c4adcdc870d