@prefix dc: <http://purl.org/dc/elements/1.1/> .
@prefix mo: <http://purl.org/ontology/mo/> .
@prefix foaf: <http://xmlns.com/foaf/0.1/> .
@prefix nirvana: <http://music.org/nirvana#>. # just a custom ns, for example purpose
@prefix instrument: <http://instrument.org/>.
@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#>.


################################################################
# The purpose of this example is to express "who plaid what?"  #
# uses "event decomposition" 
# We could think about plugging the output of an instrument
# classifier here
# Level 2                                                      #
################################################################

# Nirvana, Smells Like Teen Spirit

# Nirvana FOAF profile

nirvana:nirvana a mo:MusicGroup;
	foaf:member nirvana:kurt;
	foaf:member nirvana:krist;
	foaf:member nirvana:dave;
	dc:title "Nirvana";
	mo:wikipedia <http://en.wikipedia.org/wiki/Nirvana_(band)>;
	.

nirvana:kurt a mo:MusicArtist;
	foaf:name "Kurt Cobain";
	.

nirvana:krist a mo:MusicArtist;
	foaf:name "Krist Novoselic";
	.

nirvana:dave a mo:MusicArtist;
	foaf:name "Dave Grohl";
	.


nirvana:gold a mo:Record;
	dc:title "Gold";
	mo:releaseType mo:compilation;
	dc:creator nirvana:nirvana; #just a shortcut...
	mo:has_track nirvana:smellsgold;
	.

nirvana:smellsgold a mo:Track;
	dc:title "Smells Like Teen Spirit";
	mo:trackNum "1";
	.

nirvana:smellssig a mo:Signal;
	mo:publishedAs nirvana:smellsgold;
	dc:title "Smells Like Teen Spirit, actual MusicalExpression";
	.

nirvana:smellsrec a mo:Recording;
	event:hasFactor nirvana:smellssnd;
	event:hasProduct nirvana:smellssig;
	.
nirvana:smellssnd a mo:Sound.

nirvana:smellsperf a mo:Performance;
	dc:title "The process leading to the MusicalExpression";
	event:hasProduct nirvana:smellssnd;
	event:hasAgent nirvana:nirvana;
	event:hasSubEvent nirvana:smellskurt;
	event:hasSubEvent nirvana:smellskrist;
	event:hasSubEvent nirvana:smellsdave;
	.

#
# We can de-compose events by splitting them by agents/factors/time/place...
# Going up to level 3, we can express "kurt was playing guitar at this given time"
# or even "he was playing this particular note at this time"...
#

nirvana:smellskurt a mo:Performance;
	dc:title "Kurt Cobain singing and playing guitars";
	event:hasFactor instrument:guitar; #plug your favorite instrument taxonomy here
	event:hasFactor instrument:voice;
	event:hasAgent nirvana:kurt;
	.

nirvana:smellskrist a mo:Performance;
	dc:title "Krist Novoselic playing bass";
	event:hasFactor instrument:bass;
	event:hasAgent nirvana:krist;
	.

nirvana:smellsdave a mo:Performance;
	dc:title "Dave Grohl playing drums";
	event:hasFactor instrument:drums;
	event:hasAgent nirvana:dave;
	.