Here are some useful links, recording demos and sheet music to help you practice
Repertoire (Version 5.0) from LULU publishing
Tunes and songs for the 2019 - 2020 season
Repertoire Omnibus Volume 1 from LULU publishing
All the tunes and songs played by the orchestra from 2013 to 2019 in a full colour, high quality paperback book!
ABC notation website
This is a searchable database of folk tunes in a variety of formats including scores and MIDI
A great source for traditional Irish tunes