I need a song to sing for me exams this year! Can आप help?

Im doing exams this साल and for संगीत I need to sing two songs, I already have one द्वारा Taylor तत्पर, तेज, स्विफ्ट but my teacher कहा It cannot be द्वारा the same singer, so can आप help me pick another song.

P.S I cant sing high pitched songs, या really slow low pitched songs. Thanks!!