Anyone know how to add more underground music that plays separate from the current ones?

[Big Hat Knives]

I was able to add music to this list:

       "$type": "Vintagestory.API.Client.CaveMusicTrack, VintagestoryAPI",
       parts: [
         {
           files: ["deepunderground/aquatic drone*"]
         },
         {
           files: ["deepunderground/bell piano*"]
         },
         {
           files: ["deepunderground/bells*"]
         },
         {
           files: ["deepunderground/deep drone*"]
         },
         {
           files: ["deepunderground/metal bass*"]
         },
         {
           files: ["deepunderground/piece*"]
         },
         {
           files: ["deepunderground/ticking*"]
         }
       ],
       stopMusic: true,
       maxSunlight: 12,

But on testing I quickly found out that they actually play some of them at the same time.

However when I add in the music like this:

"$type": "Vintagestory.API.Client.CaveMusicTrack, VintagestoryAPI",
       file: "Music",
       name: "Music",
       onPlayList: "survival",
       stopMusic: true,
       maxSunlight: 12,

It just wants to crash the game. (and I've tried it with "min/maxhour" to the same result)

Edited August 4 by Big Hat Knives