{
"tempo": 60,
"master_volume": 0.8,
"master_mute": 0,
"master_out": 0,
"track_volumes": [0.8,0.8,0.8,0.8,0.8,0.8,0.8],
"track_solos": [0,0,0,0,0,0,0],
"track_mutes": [1,1,1,1,0,0,0],
"track_pans": [0.5,0.5,0.5,0.5,0.5,0.5,0.5],
"track_outs": [0,0,0,0,0,0,3]
}