Space Toad MIDI Sequencer is a classic multitrack sequencer for Windows XP. It is a surprisingly lightweight application, just one megabyte in size, and is free. These are the main features:* 64 tracks with 6 real time settings to adjust.* Solo and Mute options.* Import and export standard MIDI files.* Support for MIDI clips.* Edit matrices with different levels and adjustable zoom.* List editor.* Song lyric and text event editing.* Drawing tools for Pitch reference events, for tempo or for controllers.* Step recording.* Virtual keyboard.* Support for logical transformations and filters.