Complex sentence: He has also been working on solo material under the guise of Mikrokosmos which still remains unreleased apart from one track,'Hold Like Mother's Hand', which appears on the Cardiacs tribute album CARDIACS and Affectionate Friends.
Split into simpler sentences: He has also been working on solo material under the guise of Mikrokosmos. One track, track,'Hold Like Mother's Hand', appeared on the Cardiacs tribute album CARDIACS and Affectionate Friends.