Recently, making electronic data of the multimedia such as music, images, books, and so on has been spread. However, it is necessary to look for specific contents in the database with a large amount of music data because electronic data increases rapidly. Therefore, an efficient search engine is requested. This paper presents a music retrieval method focusing on the impression keywords. In the presented method, impression keywords as queries is constructed by using Twitter beforehand. The

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... sion vector to music is generated by using this impression keyword set. And, the retrieval is processed by measuring the similarity to impression vectors with a query. From experimental results, it turns out that the recommended music displayed as a retrieval result appropriately expresses the impression of the user requests.