Yasuhiro Usui and Katsuaki Komiya recorded live in Nagoya Nanya in 2023.The live recording album 'undulation' is now available on vinyl!!Yasuhiro Usui is a guitarist/composer/producer living in Nagoya, Japan, and active in the eclectic genre of improvisation in Japan and abroad.He considers improvisation as the origin of music, and performs around 100 gigs a year.Katsuaki Komiya is a drummer with a unique background as the former editor-in-chief of Rhythm & Drum Magazine.With a unique style that makes full use of not only drum sets but also ethnic percussion instruments such as the djembe, he is active in a variety of fields ranging from improvisation to jazz, rock, and singing.Tracklist:A1. Dancing on the fire 6:16A2. #swinging in space 5:21A3. #the universe 5:05B1. #time undulation 19:55