What is the song called?

ok so i heard this song som time ago but i forgot the name of it and who sings it. its goes somtin like this, 'im wanted, im needed, its there in my heart' or sumtin like dat. also the video is sort of cartoonish with som weird plants growin in this building and gets bigger throught the video. theres also the man singing the song in these small tv on the desks. it looks like som sort of office room wit ppl in it. please tell me wat the song is, dats all i could think of right now. thanks