In the summer of 1790, Luísa Todi sang in Bonn; Alexander Wheelock Thayer wrote: "Magdelena's quick apprehension caught her style, and a few months later she surprised her audience with a grand aria perfectly in the great Italian manner.
[4] In the summer of 1791 she made a concert tour with her family, visiting Mainz, Frankfurt, Darmstadt, Mannheim, Munich and other towns.
In July 1793, the Willmann family left Bonn for Italy, and Peter Winter engaged her for the opera which he composed for the carnival at Venice in 1794.
[1][3] Thayer wrote: "She was very beautiful in person, and upon her return to Vienna, Beethoven renewed his acquaintance with her and (on the testimony of her niece) offered her his hand.
He quoted Ernst Ludwig Gerber: "She belongs to the most celebrated German singers, renowned for her wonderfully deep and at the same time remarkably pleasing voice, for her execution and fine taste in delivery, and for her exquisite acting; so that nothing remains to be desired.