This looks like a great tool for composers and arrangers that want an easy straight forward way to try out alternative arrangements when putting songs together.
HyperTunes lets you compose and arrange music based on structure, such as verse-chorus-bridge song form, and it keeps all your musical content at your fingertips as you do so.
It lets you to focus on the big picture as you compose, and makes it much easier to try different arranging options than a traditional sequencer timeline does.
For details, and some videos on how it works, check out out - http://hypertunes.net/
You can start from a song form and then plug in instrument parts later, the way an artist might sketch out a piece before filling in the details.
Or, you can work in an exploratory manner, adding one new section at a time.
You can rearrange the entire song in one step, just by selecting a different form from the extensive built-in menu, or by defining your own unique song form.
Plug instrument parts – drum grooves, bass lines, guitar licks, keyboad riffs – into the sections of your song at any time.
Modify the chords/keys of any section at any time. HyperTunes always tranposes the parts of your song to fit the currently associated chords.
But HyperTunes isn’t just about super-flexible arranging operations. It’s also about maximizing the accessibility of your content.
It lets you access all your MIDI content in just a few touches, so that you can easily share and reuse content between different songs and libraries.
Import any number of original music projects and third party pattern libraries in General MIDI format.
Export your arrangement as General MIDI for performance or further development using your desktop sequencer or other music making tools.