Вы трижды обращались ко мне с любез

Вы трижды обращались ко мне с любезным приглашением принять участие в прослушивание молодых певцов, которых вы курируете и которые, по вашим словам, уже прошли курс подготовительных занятий.

Результаты (английский) 1:

You three times turned to me with the kind invitation to participate in the auditions young singers, which you oversee and which, in your words, already passed the preparatory course.

Результаты (английский) 2:

You three times to contact me with kind invitation to participate in the audition young singers, which you are in charge and that, as you say, we have already completed a course of training sessions.

Результаты (английский) 3:

you three have approached me with the kind invitation to participate in an audition for young singers, which you курируете and which, according to you already completed the preparatory work.