Search for Layer (experimental)

… [ -E  |  --install-extension   extension file ] [ -e  |  -- experimental ] [ -F  |  --factory-settings ] [ -f  |  … -e | -- experimental Enable experimental features, such as layers -F | --factory-settings Use only the standard … file mlog internal file sanity check log (JSON) mp3 MPEG Layer III (lossy compressed audio) mpos measure positions …

… between pitched and unpitched staves or for various experimental notation effects. Adding a staff type change …

… same staff. Other notation programs may refer to it as a " layer ". "Voice", in a different sense, may also refer to a …