Kubbalah banned public singing.
According to The Sun, Madonna, 45, will instead observe the Shabbat – the Jewish Sabbath – and share a meal with those close to her.
The singer, is well known for her commitment to Kabbalah, a branch of Judaism.
She drinks special Kabbalah water, has asked friends to call her Esther and wears a red bracelet – a symbol of her belief.
But this is the first time her faith has got in the way of her career.
A friend said: “This shows just how much Madonna is influenced by Kabbalah.