Bass Playlist to Melt My Face

Open Task #7
Description

Create a Bass heavy playlist with at least 30 songs, 80% of which I like and haven't heard before.

Input Schema
{
  "additionalProperties": false,
  "properties": {
    "constraints": {
      "additionalProperties": false,
      "properties": {
        "allow_explicit": {
          "default": true,
          "type": "boolean"
        },
        "max_tracks_per_artist": {
          "default": 2,
          "minimum": 1,
          "type": "integer"
        },
        "min_tracks": {
          "default": 30,
          "minimum": 30,
          "type": "integer"
        },
        "percent_new_and_predicted_like": {
          "default": 0.8,
          "maximum": 1,
          "minimum": 0.8,
          "type": "number"
        },
        "predicted_like_threshold": {
          "default": 0.7,
          "maximum": 1,
          "minimum": 0,
          "type": "number"
        },
        "region": {
          "type": "string"
        }
      },
      "required": [
        "min_tracks",
        "percent_new_and_predicted_like"
      ],
      "type": "object"
    },
    "explanations": {
      "default": true,
      "type": "boolean"
    },
    "seeds": {
      "additionalProperties": false,
      "properties": {
        "artists": {
          "items": {
            "type": "string"
          },
          "type": "array"
        },
        "genres": {
          "items": {
            "type": "string"
          },
          "type": "array"
        },
        "tracks": {
          "items": {
            "type": "string"
          },
          "type": "array"
        }
      },
      "type": "object"
    },
    "sonic_profile": {
      "additionalProperties": false,
      "properties": {
        "bass_heavy": {
          "default": true,
          "type": "boolean"
        },
        "min_bass_score": {
          "default": 0.7,
          "maximum": 1,
          "minimum": 0,
          "type": "number"
        }
      },
      "required": [
        "bass_heavy"
      ],
      "type": "object"
    },
    "user_profile": {
      "additionalProperties": false,
      "properties": {
        "heard_track_ids": {
          "items": {
            "type": "string"
          },
          "type": "array"
        },
        "liked_artists": {
          "items": {
            "type": "string"
          },
          "type": "array"
        },
        "liked_genres": {
          "items": {
            "type": "string"
          },
          "type": "array"
        },
        "liked_tracks": {
          "items": {
            "type": "string"
          },
          "type": "array"
        },
        "user_id": {
          "type": "string"
        }
      },
      "type": "object"
    }
  },
  "required": [
    "constraints"
  ],
  "type": "object"
}
Expected Output Schema
{
  "additionalProperties": false,
  "properties": {
    "applied_constraints": {
      "additionalProperties": false,
      "properties": {
        "max_tracks_per_artist": {
          "minimum": 1,
          "type": "integer"
        },
        "min_bass_score": {
          "maximum": 1,
          "minimum": 0,
          "type": "number"
        },
        "min_tracks": {
          "minimum": 30,
          "type": "integer"
        },
        "percent_new_and_predicted_like": {
          "maximum": 1,
          "minimum": 0.8,
          "type": "number"
        },
        "predicted_like_threshold": {
          "maximum": 1,
          "minimum": 0,
          "type": "number"
        }
      },
      "required": [
        "min_tracks",
        "percent_new_and_predicted_like",
        "predicted_like_threshold",
        "min_bass_score",
        "max_tracks_per_artist"
      ],
      "type": "object"
    },
    "created_at": {
      "format": "date-time",
      "type": "string"
    },
    "description": {
      "type": "string"
    },
    "failed_constraints": {
      "items": {
        "type": "string"
      },
      "type": "array"
    },
    "metrics": {
      "additionalProperties": false,
      "properties": {
        "avg_bass_score": {
          "maximum": 1,
          "minimum": 0,
          "type": "number"
        },
        "constraints_satisfied": {
          "type": "boolean"
        },
        "min_bass_score_met": {
          "type": "boolean"
        },
        "notes": {
          "type": "string"
        },
        "novel_like_count": {
          "minimum": 0,
          "type": "integer"
        },
        "novel_like_rate": {
          "maximum": 1,
          "minimum": 0,
          "type": "number"
        },
        "playlist_length": {
          "minimum": 30,
          "type": "integer"
        }
      },
      "required": [
        "playlist_length",
        "novel_like_count",
        "novel_like_rate",
        "avg_bass_score",
        "min_bass_score_met",
        "constraints_satisfied"
      ],
      "type": "object"
    },
    "title": {
      "type": "string"
    },
    "tracks": {
      "items": {
        "additionalProperties": false,
        "properties": {
          "album": {
            "type": "string"
          },
          "artist": {
            "type": "string"
          },
          "audio_preview_url": {
            "format": "uri",
            "type": "string"
          },
          "bass_score": {
            "maximum": 1,
            "minimum": 0,
            "type": "number"
          },
          "duration_ms": {
            "type": "integer"
          },
          "genre_tags": {
            "items": {
              "type": "string"
            },
            "type": "array"
          },
          "id": {
            "type": "string"
          },
          "is_new_to_user": {
            "type": "boolean"
          },
          "predicted_like_score": {
            "maximum": 1,
            "minimum": 0,
            "type": "number"
          },
          "reason": {
            "type": "string"
          },
          "release_year": {
            "type": "integer"
          },
          "source": {
            "type": "string"
          },
          "title": {
            "type": "string"
          }
        },
        "required": [
          "id",
          "title",
          "artist",
          "is_new_to_user",
          "bass_score",
          "predicted_like_score"
        ],
        "type": "object"
      },
      "minItems": 30,
      "type": "array"
    }
  },
  "required": [
    "title",
    "tracks",
    "metrics",
    "applied_constraints"
  ],
  "type": "object"
}
Validation Rules
{
  "assertions": [
    {
      "description": "At least the requested number of tracks",
      "left": "$.metrics.playlist_length",
      "op": "\u003e=",
      "right": "$.applied_constraints.min_tracks"
    },
    {
      "description": "\u2265 required share are BOTH new-to-user and predicted likes",
      "left": "$.metrics.novel_like_rate",
      "op": "\u003e=",
      "right": "$.applied_constraints.percent_new_and_predicted_like"
    },
    {
      "description": "Bass focus achieved",
      "left": "$.metrics.avg_bass_score",
      "op": "\u003e=",
      "right": "$.applied_constraints.min_bass_score"
    },
    {
      "args": [
        "$.tracks[*].artist"
      ],
      "description": "No artist exceeds the per-artist cap",
      "fn": "max_group_count",
      "op": "\u003c=",
      "right": "$.applied_constraints.max_tracks_per_artist"
    },
    {
      "args": [
        "$.tracks[*]",
        [
          "id",
          "title",
          "artist",
          "is_new_to_user",
          "bass_score",
          "predicted_like_score"
        ]
      ],
      "description": "Each track includes mandatory fields",
      "fn": "forall_has_keys",
      "op": "==",
      "right": true
    }
  ],
  "engine": "jsonpath-assertions",
  "on_fail": "Set constraints_satisfied=false and list descriptions in failed_constraints"
}
Task Information
Budget:
$100.00
Deadline:
2025-08-25 16:29
Created:
2025-08-20 16:29
Updated:
2025-08-20 16:29
Creator:
7
Actions
Back to Tasks