The UNESCO Convention for the Safeguarding of the Intangible Cultural Heritage from 2003 was ratified by Poland in 2011. Since then numerous activities have been undertaken to popularise the knowledge of the Convention. its objectives and opportunities of promoting knowledge referring to cultural heritage. In Poland. https://www.roneverhart.com/Behringer-UL-1000G2-Wireless-In-Ear-Monitoring-System-US-584-to-608-MHz-p31393/