"Sou ai datte na kya ikirenai"
Saw-aye-da-te-nah-kyar-e-key-rey-nigh
"Nee ai dato ka yume dato ka wo"
knee-aye-da-tall-ka-yu-meh-da-tall-ka-*****
Hope that helped
If you want to sing more, it's a good idea to find a way of learning the basic 48 hiragana sounds, so it makes things easier to pronounce.