function的應用：

這首歌主要是紀念主唱的父親，主唱的父親於九月時因癌症過世了，而那時的主唱年僅十歲，這種難熬的心情是他想在這首歌裡傳達的。

這首歌同時也表達了搖滾樂不僅僅可以表達激昂的情緒，也可以是很優美而平靜的！

func summer()
{
print(“Summer has come and passed”)
print(“The innocent can never last”)
wake()
}
func wake()
{
print(“wake me up when September ends”)
}
func like(num:String)
{
print(“like my father’s come to pass”)
print(num + “ years has gone so fast”)
wake()
}
func rain()
{
print(“here comes the rain again”)
print(“falling from the stars”)
print(“drenched in my pain again”)
print(“becoming who we are”)
print(“as my memory rests”)
print(“but never forgets what I lost”)
wake()
}
summer()
like(num:”7")
rain()
summer()
print(“ring out the bells again”)
print(“like we did when spring began”)
wake()
rain()
summer()
like(num:”20")
wake()
wake()