The music , composed by Junichi Masuda , Go Ichinose and Morikazu Aoki , is completely instrumental except for two tracks with vocals , `` Trick Master '' and `` Slateport City '' .
The music was composed by Junichi Masuda , Go Ichinose and Morikazu Aoki , and have no lyrics , apart from for two tracks with vocals , `` Trick Master '' and `` Slateport City '' .