Complex sentence: He has also performed in a number of experimental duos with other musicians such as Stefan Tcherepnin and Seth Misterka, with whom he released a CD "Duo" in 2007 on the Australian Heathen Skulls label.
Split into simpler sentences: He has also performed in a number of experimental duos with other musicians such as Stefan Tcherepnin and Seth Misterka. A CD "Duo" was released in collaboration with Seth Misterka in 2007 on the Australian Heathen Skulls label.