学校要举行音乐会,你班要组建一个乐队,请你介绍下你们班乐队的号手鼓手小提琴手钢琴手吉他手歌手们的情况,

This is our class rock band. Wu Gang can play the trumpet very well. He is twelve years old. Zhang Heng can play the drums and he is twelve years old, too. Lin Jun can play the violin and he is thirteen years old. Xiong Ying can play the piano and she plays it very well. She is thirteen, too. Su Shanshan can play the guitar and she is fourteen years old. The singers are Li Na and Li Dan. They are twins.