Working with SubSections A Metro Section is a chunk of musical time containing up to 99 tracks; in each Metro document file you can create up to 32 Sections. You can only have one Metro documentopen at a time and you save each document as a Metro document file, whichcontains all 32 Sections and all tracks associated with each Section. Metro offers a powerful feature that allows you to place an entire Section, containing 99 MIDI and/or Audio Tracks, inside a track of a different Section. This is a very easy way to place refined and completed components of songstogether. You can place up to 64 different Sections inside each track. Once a Section has been placed inside a track it's called a 'SubSection'. SubSections are contained in tracks as MIDI events; you can view and edit SubSection events in the Graphic Editor window's Notes display and the Event Editor window. You can edit SubSections as individual events within a track, altering SubSection start times or durations much as you alter a note event's start time or duration. Or you can edit the tracks within SubSections, altering note and other types of data within each track of the SubSection. There are many scenarios in which you might want to use SubSections; they're one of Metro's most flexible and unique features. For example, you might create a Section that features a repeating figure or motif (for example, a drum or a bass groove) then drag that Section into a track as a SubSection. Or you might record each part of a song (verse, chorus, etc.) in its own Section, then construct an entire arrangement of that song by creating a Section that simply holds SubSections. This greatly simplifies song arrangement methods. Sections may contain MIDI and Audio Tracks. See Also: Creating SubSections Editing SubSection Start Time and Duration Duplicating SubSections Cloning SubSections Copying SubSection Tempo, Key Signature, and Time Signature Events Editing Tracks in SubSections Expanding by SubSections Deleting SubSections