updated music & sound json for track listings

public/data/music_sound.json

@@ -3,13 +3,48 @@
     "title": "On Behalf of Nature - Album",
     "details": "2016",
     "media": "on_behalf_of_nature",
-    "album": true
+    "album": true,
+    "tracks": [
+      "01 Monk_ Dark_Light 1.mp3",
+      "02 Monk_ High Realm.mp3",
+      "03 Monk_ Fractal Activity.mp3",
+      "04 Monk_ Environs 1.mp3",
+      "05 Monk_ Eon.mp3",
+      "06 Monk_ Duet With Shifting Ground.mp3",
+      "07 Monk_ Environs 2.mp3",
+      "08 Monk_ Pavement Steps.mp3",
+      "09 Monk_ Evolution.mp3",
+      "10 Monk_ Ritual Zone.mp3",
+      "11 Monk_ Water_Sky Rant.mp3",
+      "12 Monk_ Memory Zone.mp3",
+      "13 Monk_ Environs 3.mp3",
+      "14 Monk_ Harvest.mp3",
+      "15 Monk_ Dark_Light 2.mp3",
+      "16 Monk_ High Realm Reprise.mp3",
+      "17 Monk_ Fractal Mirror.mp3",
+      "18 Monk_ Ringing.mp3",
+      "19 Monk_ Spider Web Anthem.mp3"
+    ]
   },
   {
     "title": "Piano Songs - Album",
     "details": "2014",
     "media": "piano_songs",
-    "album": true
+    "album": true,
+    "tracks": [
+      "01 Monk_ Obsolete Objects.mp3",
+      "02 Monk_ Ellis Island.mp3",
+      "03 Monk_ Folkdance.mp3",
+      "04 Monk_ Urban March (Shadow).mp3",
+      "05 Monk_ Tower.mp3",
+      "06 Monk_ Paris.mp3",
+      "07 Monk_ Railroad (Travel Song).mp3",
+      "08 Monk_ Parlour Games.mp3",
+      "09 Monk_ St. Petersburg Waltz.mp3",
+      "10 Monk_ Window In 7's.mp3",
+      "11 Monk_ Totentanz.mp3",
+      "12 Monk_ Phantom Waltz.mp3"
+    ]
   },
   {
     "title": "Songs of Ascension",