A low back chair, and for especially long listeneing sessions I'm considering this one...
https://images-na.ssl-images-amazon.com/images/I/41%2ByZgvoRQL._AC_SX425_.jpg
DeKay
https://images-na.ssl-images-amazon.com/images/I/41%2ByZgvoRQL._AC_SX425_.jpg
DeKay