If, after hearing my songs, just one human being is inspired to say something nasty to a friend, or perhaps to strike a loved one, it will all have been worth the while.
Tom LehrerMy last public performance for money was in 1967. For free, it was 1972, with the exception of two little one-shot, one-song things. But that's just for friends, out of friendship for the people involved, and also because it was fun.
Tom Lehrer