It's a FTP based easy-to-use search engine for MIDI files that saves your hours of surfing the Internet and looking for a particular MIDI title. Just type song or band name (or both) in the search edit, hit "Search" button, and MIDI Sleuth will find what you're looking for. As MIDI files are found, they are added to a list. It shows the URL of the MIDI files. By clicking the link, you can download desired MIDI file.