7. April 2016 - Article: Percussionist Holger Mertin – Der Hang zum Hang (german)

https://www.deutschlandfunk.de/percussionist-holger-mertin-der-hang-zum-hang.2662.de.html?dram:article_id=350547

Musikmesse 2016

Quote, translated:

“Professional percussionist Holger Mertin demonstrates in the video what makes the Hang so musically appealing.”