Before starting, see the Subject Research Guide Finding Theses
To find University of Melbourne theses, do a specific thesis search in the library catalogue using keywords. e.g.: violin performance
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.
Australian theses are catalogued in Trove from the National Library of Australia. See Help on finding Australian theses
Many of the Trove records will link through to full text.
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.