MIDI bug in iTunes

Sometimes, when iTunes is open awhile, usually when it is using a lot of memory from what it is doing, it misplays MIDI files. The exact problem is that an instrument is supposed to be muted after a specific duration in the MIDI file, but iTunes continues to allow the instrument overplay its actual duration in the song. The problem is intermittent and does not always occur. I can give you a song example if you are seeking. Right now, I am having that issue occasionally with Aimons-Nous Vivants (MIDI file) by François Valéry. As stated, this problem doesn't happen on every play, you just have to keep playing it enough times until it finally does happen. To verify this is indeed a problem with iTunes and not my MIDI file, I have also listened to the music video on YouTube for this song and observe that the extended playing of one instrument does not happen in the song. I am currently using iTunes 10.7, have not upgraded on my MacBook Pro because I don't like the new version as much and also still running 10.6.8 so that I can use some PowerPC apps. If you have any other questions, I would be glad to answer them.

Hi Elandruss - I was just about to open a new post about names of MIDI tracks when I saw your comment.
Incidentally, MIDI support seems to vary significantly between the various incarnations of iTunes, so it may help if we identify the versions we're talking about! I'm using 6.0.2(23) and it plays MIDI pretty well. It will also convert MIDI files to MP3 etc, which can then be burned to CD in the usual way. You can play MIDI on iPods, but only if you create an digitised copy first (Advanced/Convert selection...). As I recall, MIDI support is missing from iTunes 5 but it may have been there in earlier versions.
However, like you I currently have a problem with track names. iTunes is clearly picking up the title information that resides in the MIDI file and is using this as the track name. This is probably OK when the .mid file is first imported as the internal name will usually be more informative than the filename. The problem is that iTunes seems to reset the track name EVERY TIME IT OPENS THE FILE - e.g. when you play it.
I currently have recently added a batch of about 20 MIDI files that each have the same internal title (the composer's name). After after going painstaking though and correcting the track titles, they have all reverted to the same duplicate title!!! Unless there is a way round this problem that I haven't found, this is a significant bug which makes it extremely difficult to work with MIDI files in the current version of iTunes. (The original iTunes 6 was OK, since it took the track name from the title of the .mid file)
I hope this helps!
SL
1.25 iBook Mac OS X (10.4.4)

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PS sorry for my poor english, I'm spanish speker.

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I can't add a midi to my iTunes. I need to do that, so I can create an mp3 for e-mailing. It used to be easy to do, but now it can't be done, even when following the instructions on your Help Center page abpit Add Items from your computer... It says t

If anyone has a solution to my problem (not being able to add a midi to my iTunes Library, so I can format an mp3, which I need to e-mail to my Webmaster, even tho I've followed the instructions on the Help page), please e-mail me direct : ken at princesf dot com Thank you!

Audio files from Midi. Topic Jan., 2012: "iTunes no longer recognizes midi files how can I play and convert them?" - https://discussions.apple.com/thread/3666447

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Message was edited by: daviduff

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Message was edited by: koDiacc
Message was edited by: koDiacc

OK ... help myself with asking a friend ...
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tt2

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Date/Time: 2005-10-25 16:41:44 -0400
OS Version: 10.3.9 (Build 7W98)
Report Version: 2
Command: Audio MIDI Setup
Path: /Applications/Utilities/Audio MIDI Setup.app/Contents/MacOS/Audio MIDI Setup
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PID: 498
Thread: 0
Exception: EXCBADACCESS (0x0001)
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Thread 0 Crashed:
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1 com.apple.CoreFoundation 0x924fd1fc CFStringCompareWithOptions + 0x140
2 com.apple.Foundation 0x90a27100 -[NSString compare:options:range:locale:] + 0x64
3 com.apple.Foundation 0x90aa1974 -[NSString localizedCompare:] + 0x88
4 com.apple.audio.AudioMIDISetup 0x0000af40 0x1000 + 0x9f40
5 com.apple.audio.AudioMIDISetup 0x00009bbc 0x1000 + 0x8bbc
6 com.apple.AppKit 0x92f32ea0 -[NSWindowController _windowDidLoad] + 0x144
7 com.apple.AppKit 0x92f24e28 -[NSWindowController window] + 0x80
8 com.apple.audio.AudioMIDISetup 0x00008e34 0x1000 + 0x7e34
9 com.apple.audio.AudioMIDISetup 0x0000910c 0x1000 + 0x810c
10 com.apple.Foundation 0x90a4b0f8 __NSFireMainThreadPerform + 0x108
11 com.apple.CoreFoundation 0x92546558 __CFRunLoopPerformPerform + 0x88
12 com.apple.CoreFoundation 0x924f5b90 __CFRunLoopDoSources0 + 0x1fc
13 com.apple.CoreFoundation 0x924f3448 __CFRunLoopRun + 0x1b0
14 com.apple.CoreFoundation 0x924f7d74 CFRunLoopRunSpecific + 0x148
15 com.apple.HIToolbox 0x92886e10 RunCurrentEventLoopInMode + 0xac
16 com.apple.HIToolbox 0x9288d4b4 ReceiveNextEventCommon + 0xf4
17 com.apple.HIToolbox 0x928af638 BlockUntilNextEventMatchingListInMode + 0x60
18 com.apple.AppKit 0x92e822ac _DPSNextEvent + 0x180
19 com.apple.AppKit 0x92e98d2c -[NSApplication nextEventMatchingMask:untilDate:inMode:dequeue:] + 0x74
20 com.apple.AppKit 0x92ead0ac -[NSApplication run] + 0x21c
21 com.apple.AppKit 0x92f697bc NSApplicationMain + 0x1d0
22 com.apple.audio.AudioMIDISetup 0x000081fc 0x1000 + 0x71fc
23 com.apple.audio.AudioMIDISetup 0x00008070 0x1000 + 0x7070
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1 libSystem.B.dylib 0x9490

Thank you Kirk for your reply and the solution. I couldn't find the .smil format option under Sys Prefs/QuickTime/Advanced MIME Settings, but then I realized I didn't install Real Player after the OS X upgrade from 10.3.9 to 10.4.7. I installed Real Player and restarted the system. The speech file that was not working came alive with the Real Player icon intact.
I really appreciate your help and I look forward to reading your book on QuickTime in the near future.
Sincerely,
Frank Kung
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MIDI bug in iTunes

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