Help me name this song PLZ!!!?

i started playing it randomly when i was playing my cello and i really want to know the name so i can get the hole song it goes something like this: f# f# g f# e e f# e and i cant figure out the rest. i could be wrong about the notes but the tune of it sounds like i no it from somewhere if you know what the song is or close to what it could be plz tell me