Karabiner Hyper

hyper.json

{
  "description": "Hyper",
  "manipulators": [
    {
      "from": { "key_code": "caps_lock" },
      "to": [
        {
          "key_code": "right_shift",
          "modifiers": ["right_command", "right_control", "right_option"]
        }
      ],
      "to_if_alone": [
        {
          "key_code": "spacebar",
          "modifiers": [
            "left_command",
            "left_control",
            "left_option",
            "left_shift"
          ]
        }
      ],
      "to_if_held_down": [{ "key_code": "caps_lock" }],
      "type": "basic"
    },
    {
      "from": {
        "key_code": "spacebar",
        "modifiers": {
          "mandatory": [
            "right_command",
            "right_control",
            "right_option",
            "right_shift"
          ]
        }
      },
      "to": [{ "consumer_key_code": "play_or_pause" }],
      "type": "basic"
    },
    {
      "from": {
        "key_code": "up_arrow",
        "modifiers": {
          "mandatory": [
            "right_command",
            "right_control",
            "right_option",
            "right_shift"
          ]
        }
      },
      "to": [{ "key_code": "volume_increment" }],
      "type": "basic"
    },
    {
      "from": {
        "key_code": "down_arrow",
        "modifiers": {
          "mandatory": [
            "right_command",
            "right_control",
            "right_option",
            "right_shift"
          ]
        }
      },
      "to": [{ "key_code": "volume_decrement" }],
      "type": "basic"
    },
    {
      "from": {
        "key_code": "left_arrow",
        "modifiers": {
          "mandatory": [
            "right_command",
            "right_control",
            "right_option",
            "right_shift"
          ]
        }
      },
      "to": [{ "consumer_key_code": "scan_previous_track" }],
      "type": "basic"
    },
    {
      "from": {
        "key_code": "right_arrow",
        "modifiers": {
          "mandatory": [
            "right_command",
            "right_control",
            "right_option",
            "right_shift"
          ]
        }
      },
      "to": [{ "consumer_key_code": "scan_next_track" }],
      "type": "basic"
    }
  ]
}