A conversational music recommender for the RecSys Challenge 2026 — Music
Conversational Recommendation System.
Given a conversation, it predicts an ordered list of 20 catalog tracks and a
natural-language reply.
This repository reproduces our final Blind-B submission. It is a clean, 3-stage
retrieve → rerank → respond pipeline. The only trained component is a small
LightGBM reranker, trained solely on the provided challenge train… See the full description on the dataset page:
https://huggingface.co/datasets/artvolgin/music-crs-recsys2026.