I'll go to my music lesson this Sunday.

这个星期日我将要去(上)我的音乐课。

I'll sing and dance.

我将要唱歌和跳舞。

I'll go to my art lesson this Sunday.

这个星期日我将要去(上)我的美术课。

I'll draw and paint.

我将要画画和绘画。