Riccio.mayumi.1.var -

If this refers to a specific digital file you found, it may be helpful to check the file extension or the source of the collection for further clarity.

: It may also be a specific file from a digital archive or a private collection where "Riccio" and "Mayumi" are the primary identifiers for the folder or project. Riccio.Mayumi.1.var

is a known early 17th-century composer, though modern collaborations or variations titled this way are not standard in his public repertoire. If this refers to a specific digital file