Harmony Assistant is an all-inclusive software for creating, performing, and printing music with digital audio enhancements. The program offers a vast range of features that are impossible to list in brief; give it a try to explore all its capabilities.

Moreover, the application is entirely scriptable with many open-source scripts available to customize your experience, and it features an embedded softsynth that eliminates the need for any additional hardware apart from a sound card. Additionally, the software provides various digital FX processors, MIDI, Kar, MOD, S3M... import, digital track processing features such as Wav-to-note pitch tracker, noise reduction, formant-compliant pitch change, multi-band equalizer, and export in various digital file formats such as WAV, AIFF, MP3, OGG....
Harmony Assistant also offers other features such as Gregorian notation, a chord diagram library for various instruments, a feature that enables custom instruments to be created from digital recordings, lute tablatures, street organ card printing, and the software can be used concurrently with Virtual Singer (available separately), which allows for Karaoke and multi-voices lyrics to be sung effectively.
Moreover, a freeware plug-in (Myriad plug-in) enables users to view, transpose, play, or print scores on their website, and several hours of free video tutorials are available to make it easier for users to get started with the software. In conclusion, if you are looking for powerful and versatile digital music software, Harmony Assistant is undoubtedly a product that should be on your list to consider.
Version 9.6.3i: see http://www.myriad-online.com/en/docs/meloharmowhatsnew.htm