[
 {
  "id": "hard",
  "label": "Hard",
  "blurb": "Up fast and stays there",
  "audio": "assets/mix-hard.m4a",
  "data": "assets/demo-hard.json"
 },
 {
  "id": "sets",
  "label": "Sets",
  "blurb": "Peaks every 2.5 minutes",
  "audio": "assets/mix-sets.m4a",
  "data": "assets/demo-sets.json"
 },
 {
  "id": "dark",
  "label": "Dark",
  "blurb": "Slow, heavy, low",
  "audio": "assets/mix-dark.m4a",
  "data": "assets/demo-dark.json"
 },
 {
  "id": "steady",
  "label": "Steady",
  "blurb": "Holds one level",
  "audio": "assets/mix-steady.m4a",
  "data": "assets/demo-steady.json"
 },
 {
  "id": "warmup",
  "label": "Warm up",
  "blurb": "Warm up, then hard",
  "audio": "assets/mix-warmup.m4a",
  "data": "assets/demo-warmup.json"
 }
]