+ GObject *music = u_music_new();
+ struct upkg_file *f = upkg_export_open(pkg, 0);
+ upkg_deserialize(music, f);
+
+ char name[256];
+ upkg_export_name(music, name, sizeof name);
+ FILE *fp = fopen(name, "wb");
+ if (!fp) return EXIT_FAILURE;
+ upkg_export(music, fp);
+ fclose(fp);
+ printf("Wrote %s\n", name);
+