MIDInserter is a program that allows you to insert one or more MIDI messages to all the MIDI files within a folder. You can provide the exact insertion time for each message in a Bars:Beats:Ticks format.

Features

• Bulk-insert messages to multiple MIDI files.
• Save groups of messages as presets and load them back during future sessions.
• Save the edited files with a suffix of your choice or overwrite the original files.
• Supports files with multiple key signature and tempo changes.
• Supports different file resolutions.
• Windows-only (for the time being).

Supported Messages

• All Control Change messages
• Program Change
• Text
• Lyric
• Copyright
• Marker
• Key Signature