[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"exercise-C1-3544":3},{"preview":4,"open":14,"missing":35},{"id":5,"number":6,"total":7,"level":8,"course":9,"activity":10,"discriminator":11,"title":12,"slug":13,"instructions":14,"excerpt":15,"prompts":16,"lock":17,"access":18,"updated":19,"previous_id":20,"next_id":21,"previous":22,"next":26,"first":30},3544,6,100,"C1","use_of_english","open_cloze","uoe_open_cloze","Where Music Comes From","where-music-comes-from",null,"The truth (0) IS that nobody really knows how music first began. Did our distant ancestors all start to sing at roughly the same time (1) .......... of the way their brains had begun to develop? Although hard evidence is scarce, researchers have put forward a number of theories about where music came from. One…",[],"login","pro","2026-10-02T14:14:49",3543,3545,{"id":20,"number":23,"title":24,"slug":25},5,"A Modern Affliction","a-modern-affliction",{"id":21,"number":27,"title":28,"slug":29},7,"The Simón Bolivar Orchestra","the-simon-bolivar-orchestra",{"id":31,"number":32,"title":33,"slug":34},3539,1,"The Aurora Youth Orchestra","the-aurora-youth-orchestra",false]