"Imagine" by John Lennon

"Earth Song" by Michael Jackson and Lionel Richie

"What a Wonderful World" by Louis Armstrong

"The Sound of Silence" by Simon & Garfunkel

"I Believe I Can Fly" by R. Kelly

"Kiss The Rain" by Yiruma

"天空之城" by 久石让

"Tears" by The Daydream

"Merry Christmas Mr. Lawrence" by Ryuichi Sakamoto

班得瑞的钢琴曲《new morning》

这些建议的音乐类型涵盖了经典名曲、流行音乐、轻音乐和环境音乐等，可以根据演讲的具体内容和风格进行选择，以达到最佳的演讲效果。