1. 2002
2. Published

   Old Avant-Garde, New Musical Concerns: Nyman contra Stockhausen.

   ap Sion, P. E. & Ap-Sion, P. E., 20 Jan 2002.

   Research output: Contribution to conference › Paper

3. 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

4. Published

   Direct Injection.

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

   Research output: Non-textual form › Composition

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. 2001
8. Published

   Four.

   ap Sion, P. E. & Ap-Sion, P. E., 15 Oct 2001

   Research output: Non-textual form › Composition

9. Published

   In Memoriam R.S. Thomas.

   ap Sion, P. E. & Ap-Sion, P. E., 1 Jan 2001

   Research output: Non-textual form › Composition

10. Published

    Michael Nyman.

    ap Sion, P. E., Ap-Sion, P. E., Sadie, S. (ed.) & Tyrrell, J. (ed.), 1 Jan 2001, The New Grove Dictionary of Music and Musicians. 2001 ed. Macmillan, Vol. 18. p. 247-249

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

11. Published

    Numbers in Colour.

    ap Sion, P. E. & Ap-Sion, P. E., 1 Jan 2001

    Research output: Non-textual form › Composition