1. Published

   Waltz.

   ap Sion, P. E. & Ap-Sion, P. E., 28 Sept 2002

   Research output: Non-textual form › Composition

2. Published

   Welsh music [4] contemporary.

   ap Sion, P. E., Ap-Sion, P. E. & Koch, J. T. (ed.), 1 Jan 2006, Celtic Culture: A Historical Encyclopedia. 2006 ed. ABC Clio, p. 1768-1769

   Research output: Chapter in Book/Report/Conference proceeding › Chapter

3. Published

   Ysgrifen ar y mur’? Traddodiadau’r Canu Pop Cymraeg 1979–1997

   ap Sion, P. E., 1 Jun 2011, Ysgrifau Beirniadol XXIX. 2011 ed. Gwasg Gee, p. 110-133

   Research output: Chapter in Book/Report/Conference proceeding › Chapter

4. Published

   ‘Nearly Stationary’: The use of silence in Cage’s String Quartet in four parts.

   ap Sion, P. E., Ap-Sion, P. E. & Barnett, R., 1 Jan 2006.

   Research output: Contribution to conference › Paper

5. Published

   ‘Yn y Fro’: Mudiad Adfer and Welsh Popular Song during the 1970s.

   ap Sion, P. E. & Ap-Sion, P. E., 1 Jan 2002, In: Welsh Music History. 5, p. 190-216

   Research output: Contribution to journal › Article › peer-review

6. Published

   ‘Yn y Fro’: Mudiad Adfer a’r Canu Pop Cymraeg yn ystod y 1970au.

   ap Sion, P. E. & Ap-Sion, P. E., 1 Jan 2002, In: Hanes Cerddoriaeth Cymru. 5, p. 162-189

   Research output: Contribution to journal › Article › peer-review

7. Published

   ‘“Not a lot spoken, but a lot said”

   ap Sion, P., 17 May 2019, Howard Skempton: Conversations and reflections in music. Cavett, E. & Head, M. (eds.). Martlesham: Boydell & Brewer, p. 149–170 21 p.

   Research output: Chapter in Book/Report/Conference proceeding › Chapter › peer-review

8. Published

   “Moving Forward, Looking Back” Resulting Patterns, Extended Melodies, Eight Lines, and the Influence of the West on Steve Reich

   ap Sion, P., 2019, Rethinking Reich. Gopinath, S. & ap Siôn, P. (eds.). New York: Oxford: OUP, p. tbc 33 p. n/a

   Research output: Chapter in Book/Report/Conference proceeding › Chapter › peer-review

9. Published

   “Only pictures to hear”: Reading Einstein on the Beach through Experimental Theater

   ap Sion, P., 19 Dec 2019, Einstein on the Beach: Opera beyond drama. Novak, J. & Richardson, J. (eds.). Routledge Taylor & Francis, 33 p. (Ashgate Interdisciplinary Studies in Opera).

   Research output: Chapter in Book/Report/Conference proceeding › Chapter › peer-review