Python, 61 60 59

H="\nHappy Birthday to You"
print(H*3)[:60]+"Dear Python"+H

Python, 61 60 59

H="\nHappy Birthday to You"
print(H*3)[:60]+"Dear Python"+H

Python - 61 60 59

H="\nHappy Birthday to You"
print(H*3)[:60]+"Dear Python"+H

Python, 61 60 59

H="\nHappy Birthday to You"
print(H*3)[:60]+"Dear Python"+H

Python - 61 60

H="\nHappy Birthday to You"
print(H*3)[:59]+" Dear Python"+H

Python - 61 60 59

H="\nHappy Birthday to You"
print(H*3)[:60]+"Dear Python"+H