{{#imslpmsg:addfile}} Use a pipe after addfile to separate, then put the number by which you want to increment the file number displayed; for example, {{Addfile|1}} would increase the file number displayed by 1 (i.e. one cross-referenced file in addition to the files that are there).
{{#imslpworkentry: 24 Esquisses, Op.41 | |Piano piece |Instrumental (chamber) |41 | |24 |French | |Early 20th century | |Piano | }}
