The technical term “ad libitum” has several meanings depending on the context in which it occurs:
1: indicates an optional performance resource (instrumental or vocal part or group),
2: marks a passage to be played freely or free in time,
3: requests or invites to improvise a passage of music,
4: indicates that the number repetitions can be set individually or spontaneously.
Currently only the use within a performance resource (case 1) is supported.
<classSpec ident="att.adlibitum" module="MEI.header" type="atts">
<desc xml:lang="en">Attributes that describe a performance resource as ad libitum (optional).</desc>
<attList>
<attDef ident="adlib" usage="opt">
<desc xml:lang="en">Marks a performance resource as ad libitum (optional).</desc>
</attDef>
</attList>
<remarks xml:lang="en">
<p>The technical term “ad libitum” has several meanings depending on the context in which
it occurs:</p>
<p>
<list type="gloss">
<head>Meanings of ad libitum</head>
<label>1</label>
<item>indicates an optional performance resource (instrumental or vocal part or group),</item>
<label>2</label>
<item>marks a passage to be played freely or free in time,</item>
<label>3</label>
<item>requests or invites to improvise a passage of music,</item>
<label>4</label>
<item>indicates that the number repetitions can be set individually or spontaneously.</item>
</list>
</p>
<p>Currently only the use within a performance resource (case 1) is supported.</p>
</remarks>
</classSpec>