Before starting, see the Subject Research Guide Finding Theses
Or, search on a number of related keywords e.g. piano and (teach* or pedagogy or technique or technical)
Many University of Melbourne theses are available full text via the Digital Repository which are searchable within the Library Catalogue.
Many of the Trove records will link through to full text.
For more information, see the CAUL advice on finding Australian theses.
An international collection of dissertations and theses from other universities is available from Proquest Dissertations and Theses Full Text
These are searchable by keyword e.g. chopin etudes perform*
Searching by a number of synonyms will yield the best results.
British Library EThOS (Electronic Theses Online Service) Search for UK theses and access or request full text. See FAQs for more information.