Complex sentence: He also participated in the duet piece Sunadokei with Tegoshi and in 2006 released a single as a duet with Tegoshi as Tegomass titled Miso Soup, which was also released in Sweden.
Split into simpler sentences: He also participated in the duet piece Sunadokei with Tegoshi. A duet was released under the Tegomass name titled Miso Soup, which was also released in Sweden.