Silly simple sing along sung to the tune of 99 bottles of beer on the wall. You can edit it depending on your preferences (boyfriend/girlfriend, word choice.)

LoveSingAlong.py

import time
count = 10
print("I created this sing along program for my girlfriend, because the love never ends.")
love = open("ILoveMyGirlfriend.txt", "w")
love.write("""I created this sing along program for my girlfriend, because there's a lot of love.
""")
time.sleep(5)
love.close()
time.sleep(3)
while True:
    bot = "bottles"
    if count > 1:
        bot = "bottles"
    elif count == 1:
        bot = "bottle"
    elif count == 0:
        bot = "bottles"
    else:
        pass
    countstring = str(count)
    if count > 0:
        love = open("ILoveMyGirlfriend.txt", "a")
        love.write(countstring + """ """ + bot + """ of love on the wall, 
""")
        print(countstring + """ """ + bot + """ of love on the wall, 
""")
        time.sleep(2.2)
        print(countstring + """ """ + bot + """ of love. 
""")
        love.write(countstring + """ """ + bot + """ of love. 
""")
        time.sleep(1.7)
        count -= 1
        bot = "bottles"
        if count > 1:
            bot = "bottles"
        elif count == 1:
            bot = "bottle"
        elif count == 0:
            bot = "bottles"
        else:
            pass
        countstring = str(count)
        print("""Take one down,
""")
        love.write("""Take one down,
""")
        time.sleep(1.09)
        print("""pass it around!
""")
        love.write("""pass it around!
""")
        time.sleep(1.41)
        print(countstring + """ """ + bot + """ of love on the wall!
""")
        love.write(countstring + """ """ + bot + """ of love on the wall!
""")
        time.sleep(2.34)
        love.close()
        continue
    elif count == 0:
        love = open("ILoveMyGirlfriend.txt", "a")
        print("""No more bottles of love on the wall!
""")
        love.write("""No more bottles of love on the wall!
""")
        time.sleep(2.42)
        print("""No more bottles of love!
""")
        love.write("""No more bottles of love!
""")
        time.sleep(2.10)
        print("""But don't you frown,
""")
        love.write("""But don't you frown,
""")
        time.sleep(1.60)
        print("""we'll turn this around!
""")
        love.write("""we'll turn this around!
""")
        time.sleep(1.64)
        print("""I love you darling!
""")
        love.write("""I love you darling!
""")
        time.sleep(1.71)
        print("""You make me tall!
""")
        love.write("""You make me tall!
""")
        love.close()
        time.sleep(1.20)
        exit()
    else:
        pass