core pages access: result of the score layout is a set of pages. The library provides the necessary to change the page size, to query a score pages count, the current page number or the page number corresponding to a given music date.</li>
<li>The GUIDO Factory: the GUIDO Engine may be feeded with computer generated music using the GUIDO Factory. The GUIDO Factory API provides a set of functions to create a GAR from scratch and to convert it into a GGR.</li>
<li>Mapping: along with the GGR, the GUIDO Engine