The lady who teaches me the harp has a perfomance today.
ーMy harp teacher is doing a recital today.
「今日、私のハープの先生が演奏会をします」
to do a recital で「リサイタルをする・演奏会を行う」
ーThe lady who teaches me the harp has a performance today.
「今日、私のハープの先生が演奏会をします」
to have a performance で「演奏会をする」
ご参考まで!