The mezzo-soprano Antonia Frey was born in Basel. After her teaching diploma with Lena Hauser, she concluded her studies with the concert diploma in the vocal class of Werner Gürer in 2009. She currently takes classes with Sibylla Rubens (Ger).

Antonia Frey performs as a concert singer all over Switzerland. Her focus is on early music. She is a permanent member of the vocal ensemble of the J.S. Bach foundation St. Gallen conducted by Rudolf Lutz. Apart from her diverse concert engagements, she is a vocal coach at the Youth Music School in Brugg and at the «Musikwerkstatt» Brugg.