```
{
"kop":{
"title":"Brieven van Iwo Jima - Triest pianothema",
"artiest":"Hans Zimmer",
"duur":"3:30",
"bpm":"80",
"time_signature":"4/4"
},
"gegevens":[
{
"spoor":{
"naam":"Piano",
"instrument":"akoestische vleugel",
"opmerkingen":[
{
"opmerking":"C4",
"duur":"0:12"
},
{
"opmerking":"D4",
"duur":"0:12"
},
{
"opmerking":"E4",
"duur":"0:12"
},
{
"opmerking":"F4",
"duur":"0:12"
},
{
"opmerking":"G4",
"duur":"0:12"
},
{
"opmerking":"A4",
"duur":"0:12"
},
{
"opmerking":"B4",
"duur":"0:12"
},
{
"opmerking":"C5",
"duur":"0:12"
},
{
"opmerking":"D5",
"duur":"0:12"
},
{
"opmerking":"E5",
"duur":"0:12"
},
{
"opmerking":"F5",
"duur":"0:12"
},
{
"opmerking":"G5",
"duur":"0:12"
},
{
"opmerking":"A5",
"duur":"0:12"
},
{
"opmerking":"B5",
"duur":"0:12"
},
{
"opmerking":"C6",
"duur":"0:12"
},
{
"opmerking":"D6",
"duur":"0:12"
},
{
"opmerking":"E6",
"duur":"0:12"
},
{
"opmerking":"F6",
"duur":"0:12"
},
{
"opmerking":"G6",
"duur":"0:12"
},
{
"opmerking":"A6",
"duur":"0:12"
},
{
"opmerking":"B6",
"duur":"0:12"
},
{
"opmerking":"C7",
"duur":"0:12"
},
{
"opmerking":"D7",
"duur":"0:12"
},
{
"opmerking":"E7",
"duur":"0:12"
},
{
"opmerking":"F7",
"duur":"0:12"
},
{
"opmerking":"G7",
"duur":"0:12"
},
{
"opmerking":"A7",
"duur":"0:1