A music displaying apparatus stores in advance music piece related information concerning a music piece, and a plurality of comparison parameters which is associated with the music piece related information. The music displaying apparatus obtains voice data concerning singing of a user, analyzes the voice data to calculate a plurality of singing characteristic parameters which indicate a characteristic of the singing of the user. Next, the music displaying apparatus compares the plurality of singing characteristic parameters with the plurality of comparison parameters to calculate a similarity between the plurality of singing characteristic parameters and the plurality of comparison parameters. Then, the music displaying apparatus selects at least one piece of the music piece related information which is associated with a comparison parameter which has a high similarity with the singing characteristic parameter, and shows certain information based on the music piece related information.