Symbolic Composer 5.3 is the most powerful music molecular language available for computers, and it also includes the MCL Common Lisp interpreter that lets you extend and customize the composition functionalities. Symbolic Composer 5.3 totals over 1000 music algorithms, suitable for modern, dance, classic, electronic, ambient and experimental styles.

The tonality system covers 300 microtonal world-music and theoretical scales, and all chords and scales used in the last 500 years of music history. Besides providing the composer a toolbox of traditional composition tools Symbolic Composer also enables the composer to explore advanced fractal and chaos mathematics to determine compositional elements.

"Whether you are a student musician, professional composer or music educator it's likely that the MIDI sequencing and scorewriting play a significant part in your creative or academic activities. You need a system able to incorporate new developments without effecting your existing skills: that can be tailored to your requirements and respond to your project assignments: that will grow with you as your music grows: that can be as relevant in 10 years time as it is now. Symbolic Composer is such a tool", says composer and music educator Nigel Morgan (UK).

Symbolic Composer 5.3 is a massive collection of computer music and research algorithms packed in an efficient music composition language and interactive development environment. It's rich music molecule dictionary enables the composer to extend musical capabilities in many ways:

Generate fractal and chaos music with extensive set of functions. Define any elements of composition including MIDI controllers with algorithms. Model compositions with a comprehensive set of classic processors. Explore all scales and chords and apply music element libraries to efficient music regeneration. Extend musical vocabulatory with integrated Lisp-programming and build new extension modules for others to share.

In Symbolic Composer MIDI data comes directly from the compilation of a program and not from interaction with multitrack-style recording and the limitations of your keyboard performance. This program can be made from midifile analysis, graphic and gestural visual processing, as well as interaction of function variables and expressions, all immediately available from the menus. Compilation to midifile is virtually instantaneous, and a score can be playing on your sequencer or scorewriting in seconds.

Instead of slowly putting a composition together part by part you can create a complete image quickly and securely, making radical transformations and new versions of your score in seconds. Consider the following features:

• Tonality is an extended concept in the system. Most scales, modes and chords are predefined, including many non-western forms. New tonalities can be described by interval series, notes or algorithms.
• Beat/Space, descriptive of a mode of rhythmic organisation found in many non-western musics, but also in drum-computer programming, is a dynamic feature and a powerful visual metaphor for rhythm.
• Timesheets extend this beat/space thinking to outlines of complete scores and include tonality descriptions and change points. You can create a large-scale score plan controlling any number of instruments, processors or mixer configurations.
• Sequencing can be both linear and pattern-based, but can be infinitely more powerful and flexible. Loop control and processing is integral.
• Lengths and Zones, that is note durations and section durations, can be generated from maths and fractal functions. This way even a tiny rhythmic cell or 'hook' can spawn cogent and relevant rhythmic material, and whole musical structures.
• Dynamics, either from MIDI velocity or continuous controller values, can originate from fractal sources and be mapped across the entire duration of an instrumental part. These natural dynamic contours can be wonderfully expressive particularly when converted to manipulate reverb depth, envelope shaping or modulation.
• Neural processing from the powerful Neural Expert can be used to add intelligent accents and other dynamic details.
• Articulation, the position of a note's onset in relation to a beat plus the note's actual rather than virtual duration plus its attack dynamic, can be processed by fractal or mathematical intervention creating virtual instruments with user-definable characteristics.