Wear warm clothes. Winter chorus, in order to keep warm and comfortable, put on warm clothes, down jackets, sweaters, coats and so on. At the same time, be careful not to wear too thick to avoid affecting the singing effect. You can choose different costumes according to the venue and temperature of the chorus. For indoor performances, you can choose to wear warm clothes such as sweaters and coats, and for outdoor performances, you need to wear thick down jackets and cotton-padded clothes.