1. Published

   "Performance Practice in the Music of Steve Reich," by Russell Hartenberger: Book Review in online journal

   ap Sion, P., 2017, In: Performance Practice Review. 21, 1, 7 p., 4.

   Research output: Contribution to journal › Book/Film/Article review › peer-review

2. Published

   American Minimalism in Europe during the 1970s

   ap Sion, P. E., 4 Dec 2015, Unknown Publisher.

   Research output: Book/Report › Commissioned report

3. Published

   Birth-Childhood-Death.

   ap Sion, P. E. & Ap-Sion, P. E., 1 Jan 2005

   Research output: Non-textual form › Composition

4. Published

   Blodwen.

   ap Sion, P. E. & Ap-Sion, P. E., 1 Jan 2003

   Research output: Non-textual form › Composition

5. Published

   Cenedligrwydd a’r Cyfansoddwr Cymreig.

   ap Sion, P. E. & Ap-Sion, P. E., 1 Jan 2002, In: Hanes Cerddoriaeth Cymru. 5, p. 265-284

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

6. Published

   Cerddoriaeth Ysgafn.

   ap Sion, P. E., Ap-Sion, P. E., Baines, M. (ed.), Davies, J. (ed.), Jenkins, N. (ed.) & Lynch, P. (ed.), 1 Jan 2007, Gwyddoniadur Cymru Yr Academi Gymreig. 2007 ed. University of Wales Press

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

7. Published

   Christophe Levaux, We Have Always Been Minimalist: The Construction and Triumph of a Musical Style, trans. Rose Vekony

   ap Sion, P., 21 Dec 2021, In: Twentieth-Century Music. 18, 3, p. 481–487 7 p.

   Research output: Contribution to journal › Book/Film/Article review › peer-review

8. Published

   Cydymaith i Gerddoriaeth Cymru

   ap Sion, P. (ed.) & Thomas, W. (ed.), 1 Oct 2018, Y Lolfa. 464 p.

   Research output: Book/Report › Book › peer-review

9. Published

   Die verrückten mädchen von Mona: for Soprano and Piano Trio

   ap Sion, P., 16 Oct 2021

   Research output: Non-textual form › Composition

10. Published

    Direct Injection.

    ap Sion, P. E. & Ap-Sion, P. E., 1 Jan 2002

    Research output: Non-textual form › Composition