@prefix dc: <http://purl.org/dc/elements/1.1/> .
@prefix mo: <http://purl.org/ontology/mo/> .
@prefix xsd: <http://www.w3.org/2001/XMLSchema#>.
@prefix foaf: <http://xmlns.com/foaf/0.1/> .
@prefix ex: <http://example.com/test#>.
@prefix bach: <http://music.org/bach#>.
@prefix timeline: <http://purl.org/NET/c4dm/timeline.owl#>.
@prefix time: <http://www.w3.org/2006/time#>.
@prefix event: <http://purl.org/NET/c4dm/event.owl#>.
@prefix key: <http://purl.org/NET/c4dm/keys.owl#>.

#
# Describes the change of the key over time (same thing for bpm/chords)
#


bach:emersonperf event:hasSubEvent ex:subperf1;  # Here, there is a link to the Bach example
	event:hasSubEvent ex:subperf2;
	event:time ex:time;
	mo:key key:AMinor; # global key
	.
ex:time a time:TimeInterval;
	timeline:ontimeline ex:tl;
	.
ex:tl a timeline:RelativeTimeLine.


ex:subperf1 a mo:Performance;
	mo:key key:AMinor;
	event:time [
		timeline:beginsAtDuration "PT2M2S";
		timeline:durationXSD "PT1M";
		timeline:onTimeLine ex:tl;
	]
	.

ex:subperf2 a mo:Performance;
	mo:key key:CMajor;
	event:time [
		timeline:beginsAtDuration "PT4M23.2S";
		timeline:durationXSD "PT1M23S";
		timeline:onTimeLine ex:tl;
	]
	.