YOU SAID:

my cat sings to me about kangaroo songs and dances on my head

INTO JAPANESE

私の猫は私の頭の上にカンガルーの歌と踊りについて私に歌います

BACK INTO ENGLISH

My cat sang to me about kangaroo singing and dancing on my head

INTO JAPANESE

私の猫は私の頭の上でカンガルーの歌と踊りについて私に歌いました

BACK INTO ENGLISH

My cat sang to me about kangaroo singing and dancing on my head