This may not necessarily be a font. The As and Ys do not match up... but, I've been wrong before. Perhaps an alternative will do you? Something like Cheddar Jack? Or any of the many handwritten fonts found here:
http://www.dafont.com/theme.php?cat=603&text=You%2C+you+may+say+I%27m+a+dreamer
NOT THE FONT PEOPLE
Huso horario CEST. Ahora son las 13:37