Ÿ	Intentness for Four Timpani (one player) op.42, Nr.1 (2021)

Ÿ	Extemporization for Four Timpani (one player) op.42, Nr.2 (2021)

Ÿ	Experiments for Four Timpani (one player) op.42, Nr.3 (2021)

Ÿ	Notion for Four Timpani (one player) op.42, Nr.4 (2021)