Get background track

curl --request GET \
  --url https://api.beyondwords.io/v1/background_tracks/{id} \
  --header 'X-Api-Key: <api-key>'

{
  "id": 1,
  "name": "Test track 1",
  "volume": 100,
  "created": "2023-01-01 00:00:00 UTC",
  "updated": "2023-01-01 00:00:05 UTC"
}