MIDI Files for Conversion to Sheet Music
Step by Step Guide to Finding, Downloading and Opening MIDI Files with MidiIllustrator MIDI Notation Software Recommended Websites with Free, High Quality MIDI Files
The MidiIllustrator download package includes some MIDI files and MusicXML scores as samples so you can see what MidiIllustrator can do.  Once you are up and running with MidiIllustrator you may want to start exploring the many excellent MIDI/MusicXML resources available online.  If you are new to finding and downloading scores files, try our Step by Step Guide. There are many Internet sites offering free, quality MIDI and Karaoke files for download.  The sites listed below are an excellent place to start your search.  More sites coming - watch out for updates...  If you are after a particular piece, or pieces of a particular genre, then you can use the search engine below to find almost any MIDI file available on the Web!
 

Recommended MIDI Sites

The Mutopia Project 2000+ pieces, mostly in the Public Domain.  Free to download, print out, perform & distribute.
8notes.com Free classical & traditional sheet music, free popular and jazz riffs.  Graded by difficulty.
MFiles Selection of free, popular, quality MIDI files.
The Classical Music Archives Nearly 40,000 full length classical music files by more than 2000 composers.
Classical Guitar MIDI Archives Classical guitar songs for one or more guitars.  Over 2000 MIDI files from 130+ composers.
   
 

Recommended MusicXML Sites

IMSLP
The goal of the International Music Score Library Project (IMSLP) is to gather all public domain music scores.  An increasing number are available in MuscXML format.
 

Step by Step Guide to Finding, Downloading & Opening MIDI Files with MidiIllustrator

In this section we walk through the steps involved in acquiring a number of MIDI files from different sources.  We also look at the different formats used to store MIDI files online, and the steps involved in managing these different formats.  Finally, we take a brief look at a typical MidiIllustrator task, such as rearranging a score generated from a downloaded MIDI file to suit a particular musical need.
Example 1:  Downloading a Single MIDI File  
Start by pointing your Internet browser (eg Internet Explorer or Netscape) at one of the recommended sites above; for example Mutopia.org: http://www.mutopiaproject.org/
From here you can choose to browse some of the site's excellent free music by different categories, for instance by 'Instrument' or 'Composer'. Let's try listing by composer: http://www.mutopiaproject.org/browse.html#byComposer
Select a composer from the list, in our example: E. Satie (1866-1925)

http://www.mutopiaproject.org/...

Then select a piece, such as the popular "Gymnopédie No. 1". Right-click the mouse on the ".mid" file link: http://www.mutopiaproject.org/ftp/SatieE/...
Choose "Save Target As..." from the menu that appears. When you are prompted for a location to save the MIDI file, choose a location which you will be able to access easily, perhaps in the "My Documents" folder. Make a note of where you save the file and wait whilst the file is downloaded to your computer. This may take some time depending on the file size and speed of your Internet connection.

Once the download is completed, you can open the MIDI file using MidiIllustrator. From the MidiIllustrator 'File' menu, choose "Open..." and select the file from the location in which it was saved. The new MIDI file will be instantly converted to sheet music. (you may be prompted to specify the 'style' of the score presentation as part of the transcription process). You can then view, print or play back the music. For more details on the many things you can do with your new score, read the 'Getting Started' section in the MidiIllustrator help files.
 
Example 2:  Downloading Multiple MIDI Files in an Archive or 'Zip' File  
Sometimes groups of MIDI and Karaoke files are stored in a single file, in order to make them quicker and easier to download. The most common format for these file groups is ZIP archives. Groups of MIDI files can be stored online 'zipped up' (compressed) into a Zip file.  They can then be downloaded as a single file, and then extracted to your hard disk where each MIDI file can be opened with MidiIllustrator in the usual way.  Newer versions of Windows can handle Zip files seamlessly, but you may prefer to use an application like the excellent WinZip to manage you archives. WinZip is available free here.
As in example (1) above, start by pointing your Internet browser at Mutopia.org: http://www.mutopiaproject.org/
This time, we choose to 'Browse the Archive': http://www.mutopiaproject.org/browse.html
From the list of list of 'collections' at the top of the page, select "Mozart's String Quartets (Opus 10)":

http://www.mutopiaproject.org/cgibin/make-table.cgi?collection=mozstrq&preview=1

A preview image gives you some idea of what the MIDI file will look like when opened in MidiIllustrator.  Right-click the mouse on the first ".mid files (zipped)" link under the first section:

http://www.mutopiaproject.org/ftp/MozartWA/KV387/k387/k387-mids.zip
Choose "Save Target As..." from the menu that appears.  When you are prompted for a location to save the Zip file, choose a location which you will be able to access easily as discussed in example (1) above. Make a note of where you save the file and wait whilst the file is downloaded to your computer. This may take some time depending on the file size and speed of your connection to the Internet.  
Once the download is completed, you can double click the Zip file.  Depending on whether or not an application like WinZip is installed, you may see a normal Windows 'explorer' window containing a list of several MIDI files, or a new screen from which you can 'extract' the MIDI files to a location on your hard disk. In either case, once you have extracted the files, you can open them MIDI file using MidiIllustrator in the normal way. From the MidiIllustrator 'File' menu, choose "Open..." and select the file from the location in which it was saved. The new MIDI file will be instantly converted to sheet music. As mentioned earlier, read the 'Getting Started' section in the MidiIllustrator help files for more details on the many things you can do with your new scores.  
Example 3: Downloading Multiple MIDI Files in an Archive or 'Zip' File and opening a score in a single step  
Start by pointing your Internet browser at mutopiaproject.org:

https://www.mutopiaproject.org/cgibin/piece-info.cgi?id=1948

Right-click the mouse on the "MIDI files (zipped)" link:

https://www.mutopiaproject.org/ftp/DvorakA/O4/dvorak-o4/dvorak-o4-mids.zip

Choose "Save Target As..." from the menu that appears.  When you are prompted for a location to save the Zip file, choose a location which you will be able to access easily as discussed in example (1) and (2) above.  Follow the instructions for extracting the MIDI files from the Zip archive, as explained in example (2).

 
From the MidiIllustrator "File" menu, choose "Open..." and select one of the "piano" files from the location in which it was saved.

In this case, we will open "piano.mid" which is a typical piece from the collection.
 
The new MIDI file will be instantly converted to sheet music (you may be prompted to specify the 'style' of the score presentation as part of the transcription process).  You will notice that the score in its default layout contains four parts.  
Once you are familiar with this process, you may like to know that you can prepare one or many pieces in a number of ways using MidiIllustrator functions.  You can convert many files at once using the Task Wizard.  See the 'Tasks' or 'Tracks' section in the MidiIllustrator help files for more details on rearranging the score.