You can also sing the happy birthday song for him on MLK's birthday, in defiance of copyright.
This is even more apt than you think:
"In the 1987 documentary Eyes on the Prize about the US Civil Rights Movement, there was a birthday party scene in which Dr. Martin Luther King Jr.'s discouragement began to lift. After its initial release, the film was unavailable for sale or broadcast for many years because of the cost of clearing many copyrights, of which "Happy Birthday to You" was one. Grants in 2005 for copyright clearances[15] have allowed PBS to rebroadcast the film as recently as February 2008.[16]"