arrangement back number collection composite reading conflation copy critical edition diplomatic text draft edited text hymnal hymnbook impression instrumental score issue lection library library edition libretto lute tablature music music paper music roll musical notation musical score normalized text notation number opera opera score orchestral score part piano score printing reading reissue rendering rendition reprinting scholarly edition school edition score series set sheet music short score songbook songster tablature text trade book trade edition transcript transcription variant version vocal score volume written music