Windows 7 Codecs Advanced 4.4.1
It does not contain a media player and it does not associate file-types.
Server 1 Afreecodec
Sweet MIDI Player can audition and modify all types of MIDI files.
Software to help transcribing recorded music. Slow down music. Analyze chords.
Making music with your computer using your soundcard or MIDI instrument.
Give your digital music files more vibrancy with DFX Audio Enhancement.
Add various user interface and playback enhancements in Windows Media Player