{ "items" : [
    { "id" : "http://dbpedia.org/resource/Jam_session"
      "properties" : {
        "http://www.w3.org/2000/01/rdf-schema#comment" : [ "A jam session is a musical event, process, or activity where musicians play (i.e. \"jam\") by improvising without extensive preparation or predefined arrangements. Jam sessions are often used by musicians to develop new material (music), find suitable arrangements, or simply as a social gathering and communal practice session."] } } }
