?url_ver=Z39.88-2004&rft_id=https%3A%2F%2Fdoi.org%2F10.1201%2F9780429024931&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.au=Pagga%2C+F.&rft.aufirst=F.&rft.aulast=Pagga&rft.btitle=21st+Century+Innovation+in+Music+Education&rft.title=MIDI+as+a+medium+for+improving+student%E2%80%99s+vocal+abilities+in+the+choir+learning&rft.isbn=9780429024931&rft.date=2019&rft.tpages=562&rft.genre=bookitem