4. The database constructing apparatus as claimed in claim 1 , wherein the sites are Web sites having music-related information published thereon.
1. A database constructing apparatus comprising: a storage device storing a database that registers names of a plurality of music pieces, each name in association with at least one word representing an impression of the associated name of the respective music piece, the words being used as search words when any of the names of the music pieces is to be searched for; and a processor programmed to: connect to a communication network to access any one of a plurality of sites on the communication network and collect, from among text information being provided by the accessed site, a word usable as a music-piece-related search word in association with a name of a particular music piece, without collecting the particular music piece; and register the collected word in association with the name of the particular music piece, into the database.