Moons of Jupiter is an original guitar quartet by Janet Noguera, from the album entitled, Myriad Worlds.
The "moj" zip file contains five zip files/folders: "MoJ G1", "MoJ G2", "MoJ G3", "MoJ G4", and "MoJ Whole quartet files." Each organized folder contains  PDFs, MIDI, and GPX files. The "MoJ Whole quartet files"  is the whole score and it includes the original recording in MP3, and a PDF instructional page, for more details about these documents and the quartet itself.